# Viseer.co Developer Utility Platform

> High-performance, client-side developer utilities, formatters, generators, and encoders built for modern engineering teams.

## Available Tools & Utilities

- **[Age Calculator](https://viseer.co/age-calculator)**: Calculate exact age in years, months, days, total weeks, and hours from your date of birth instantly.
- **[Internal Link Anchor Text Analyzer](https://viseer.co/anchor-text-analyzer)**: Analyze internal link anchor text distribution, brand vs. exact-match ratios, and algorithmic over-optimization risks instantly.
- **[Android strings.xml to CSV Converter](https://viseer.co/android-strings-to-csv)**: Convert Android XML localization resource files into tabular CSV format instantly in your browser.
- **[Angle Unit Converter](https://viseer.co/angle-converter)**: Convert angle measurements between degrees, radians, and gradians instantly in your browser.
- **[ANSI Color Code Stripper](https://viseer.co/ansi-color-stripper)**: Remove ANSI escape sequences, color codes, and terminal formatting styles from raw console logs instantly.
- **[.htaccess Redirect Generator](https://viseer.co/apache-redirect-builder)**: Generate 301 and 302 redirect rules, domain redirects, and RegEx rules for Apache .htaccess instantly in your browser.
- **[Apache vHost Generator](https://viseer.co/apache-vhost-generator)**: Generate Apache Virtual Host configuration files with ServerName, DocumentRoot, and log paths instantly in your browser.
- **[Argon2 Password Hash Generator](https://viseer.co/argon2-hash-generator)**: Generate and verify memory-hard Argon2id cryptographic password hashes instantly in your browser.
- **[ASCII Text Art Generator](https://viseer.co/ascii-art-generator)**: Convert regular text into high-definition, professional ASCII banner typography instantly in your browser.
- **[Aspect Ratio Calculator](https://viseer.co/aspect-ratio-calculator)**: Calculate dimensions, scale resolutions, and find aspect ratios for images and videos instantly in your browser.
- **[Average (Mean, Median, Mode) Calculator](https://viseer.co/average-calculator)**: Calculate statistical mean, median, mode, range, and sum from dataset numbers instantly in your browser.
- **[Barcode Generator](https://viseer.co/barcode-generator)**: Generate Code 128, EAN, and UPC barcodes instantly in your browser with SVG export.
- **[Base Converter (Binary, Decimal, Hex, Octal)](https://viseer.co/base-number-converter)**: Convert numbers simultaneously between Binary, Octal, Decimal, and Hexadecimal formats instantly in your browser.
- **[Base32 Encoder / Decoder](https://viseer.co/base32-codec)**: Encode plain text into Base32 format and decode Base32 strings back to plain text instantly in your browser.
- **[Base64 Encoder / Decoder](https://viseer.co/base64-codec)**: Encode plaintext strings into Base64 or safely decode Base64 encoded strings instantly in your browser.
- **[Base64 Font Encoder for @font-face](https://viseer.co/base64-font-encoder)**: Encode custom WOFF and TTF font files into embedded Base64 data URIs for self-contained CSS @font-face rules instantly.
- **[Base64 SVG Encoder](https://viseer.co/base64-svg-encoder)**: Convert SVG markup code into optimized Base64 Data URIs for inline CSS background integration instantly.
- **[Base64 to Image Converter](https://viseer.co/base64-to-image)**: Convert Base64 encoded strings or data URLs into image previews and download them instantly in your browser.
- **[Base64 URL Decoder](https://viseer.co/base64-url-decoder)**: Decode URL-safe Base64 strings back into readable plain text strings instantly in your browser.
- **[Base85 (Ascii85) Encoder / Decoder](https://viseer.co/base85-codec)**: Encode and decode binary and text payloads using the Base85 (Ascii85) Adobe format instantly in your browser.
- **[Password Hash Generator & Verifier](https://viseer.co/bcrypt-generator)**: Generate secure cryptographic password hashes and verify plain text credentials instantly in your browser.
- **[Binary to Text / Text to Binary Converter](https://viseer.co/binary-converter)**: Convert plain text strings into binary code (0s and 1s) and binary back to text instantly in your browser.
- **[BMI Calculator](https://viseer.co/bmi-calculator)**: Calculate your Body Mass Index (BMI) using metric or imperial units and check your weight category instantly.
- **[BMR Calculator (Harris-Benedict)](https://viseer.co/bmr-calculator)**: Calculate your Basal Metabolic Rate (BMR) using the revised Harris-Benedict equation instantly in your browser.
- **[Body Fat Percentage Calculator (Navy Method)](https://viseer.co/body-fat-calculator)**: Calculate body fat percentage instantly using the U.S. Navy circumference method for men and women in your browser.
- **[CSS Border-Radius Generator](https://viseer.co/border-radius-generator)**: Design custom border radius corners visually with independent quadrant controls and instant CSS output in your browser.
- **[BreadcrumbList JSON-LD Generator](https://viseer.co/breadcrumb-jsonld-generator)**: Generate Schema.org BreadcrumbList structured data JSON-LD markup snippets for enhanced Google search result snippets.
- **[Brotli Compression Ratio Estimator](https://viseer.co/brotli-estimator)**: Estimate Brotli vs. Gzip compression ratios and bandwidth savings for text, JSON, and web asset payloads instantly.
- **[Business Days Calculator](https://viseer.co/business-days-calculator)**: Calculate business working days between two dates excluding weekends instantly in your browser.
- **[HTML Button Styler & CSS Generator](https://viseer.co/button-styler)**: Design customized modern buttons with live preview and generate clean production-ready CSS code instantly.
- **[HTML5 Canvas Particle Physics Configurator](https://viseer.co/canvas-particle-generator)**: Generate customizable HTML5 Canvas particle physics boilerplate code featuring gravity, wind forces, and bounce collisions instantly.
- **[Capacitor Code & Unit Converter](https://viseer.co/capacitor-converter)**: Convert capacitor values instantly between Picofarads (pF), Nanofarads (nF), Microfarads (µF), and 3-digit EIA codes.
- **[Shopping Cart Discount & Coupon Simulator](https://viseer.co/cart-discount-simulator)**: Simulate and test complex eCommerce cart discount rules, coupon code stacking logic, and percentage vs. fixed tier discounts.
- **[CamelCase to Snake_Case Converter](https://viseer.co/case-converter)**: Convert variable names and text strings between camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE instantly.
- **[CCPA Compliance & Meta Tag Generator](https://viseer.co/ccpa-generator)**: Generate CCPA compliance meta tags, 'Do Not Sell My Personal Information' disclosures, and checklists instantly.
- **[Character Frequency Counter](https://viseer.co/character-frequency-counter)**: Analyze text content to count character occurrences, frequencies, letters, numbers, and symbols instantly in your browser.
- **[CIDR / Subnet Mask Calculator](https://viseer.co/cidr-calculator)**: Calculate IPv4 subnet masks, network addresses, broadcast addresses, usable host ranges, and total IP counts instantly.
- **[Circle Area, Circumference & Sector Calculator](https://viseer.co/circle-calculator)**: Calculate circle area, circumference, diameter, arc length, and sector area instantly in your browser.
- **[CMYK to HEX Color Converter](https://viseer.co/cmyk-to-hex)**: Convert CMYK print color values into standard HEX web color codes instantly in your browser.
- **[HTML / CSS / JS Escape & Unescape](https://viseer.co/code-escape)**: Escape and unescape strings for safe embedding in HTML, CSS, and JavaScript source code.
- **[HTML / CSS / JS Minifier & Beautifier](https://viseer.co/code-minifier)**: Format, clean, beautify or minify HTML, CSS, and JavaScript code instantly in your browser.
- **[Color Contrast Checker (WCAG)](https://viseer.co/color-contrast-checker)**: Check foreground and background color contrast ratios against WCAG 2.1 accessibility guidelines instantly in your browser.
- **[Color Code Converter (HEX, RGB, HSL)](https://viseer.co/color-converter)**: Convert color codes instantly between HEX, RGB, and HSL formats with live visual preview.
- **[Color Palette Generator](https://viseer.co/color-palette-generator)**: Generate harmonious color palettes (monochromatic, complementary, analogous, triadic) instantly in your browser.
- **[Factorial, Permutation & Combination Calculator](https://viseer.co/combinatorics-calculator)**: Calculate factorials (n!), permutations (nPr), and combinations (nCr) instantly in your browser.
- **[Compound Interest Calculator](https://viseer.co/compound-interest-calculator)**: Calculate compound interest growth, final investment balance, and total earnings over time instantly in your browser.
- **[CORS Header Generator & Tester](https://viseer.co/cors-header-generator)**: Generate and configure Cross-Origin Resource Sharing (CORS) HTTP headers for secure API and server responses.
- **[Credit Card Validator](https://viseer.co/credit-card-validator)**: Validate credit card numbers using the Luhn algorithm and detect card brands instantly in your browser.
- **[Cron Expression Parser & Generator](https://viseer.co/cron-parser)**: Parse cron expressions into human-readable schedules and generate custom cron jobs instantly.
- **[CSP Evaluator & Header Builder](https://viseer.co/csp-evaluator)**: Build, evaluate, and test secure Content Security Policy (CSP) HTTP headers to prevent XSS and injection vulnerabilities.
- **[CSS Box-Shadow Generator](https://viseer.co/css-box-shadow-generator)**: Create custom CSS box shadows visually with live preview, adjustable blur, spread, offsets, and copy the code instantly.
- **[CSS Filter Editor](https://viseer.co/css-filter-editor)**: Design and test CSS filter effects like blur, brightness, contrast, and grayscale with live preview and instant CSS output.
- **[CSS-Only Game Level Generator](https://viseer.co/css-game-generator)**: Generate boilerplate code and starter templates for pure CSS maze or puzzle games utilizing modern CSS grid and checkbox state hacks.
- **[CSS Gradient Generator](https://viseer.co/css-gradient-generator)**: Create custom linear and radial CSS gradients, pick trendy color palettes, and copy ready-to-use CSS code instantly.
- **[CSS Media Query Generator](https://viseer.co/css-media-query-generator)**: Generate responsive CSS media query rules and breakpoint snippets for mobile-first and desktop-first layouts instantly.
- **[CSS Prefix Adder & Autoprefixer Helper](https://viseer.co/css-prefix-adder)**: Add browser vendor prefixes (-webkit-, -moz-, -ms-) to CSS rules instantly for maximum cross-browser compatibility.
- **[CSS Specificity Calculator](https://viseer.co/css-specificity-calculator)**: Calculate CSS selector specificity weights (Inline, IDs, Classes, Elements) instantly in your browser.
- **[CSS Unit Converter (PX to REM / EM)](https://viseer.co/css-unit-converter)**: Convert CSS units between pixels (PX), REM, and EM instantly based on customizable root font sizes.
- **[CSV to JSON / JSON to CSV Converter](https://viseer.co/csv-json-converter)**: Convert CSV spreadsheet data into JSON arrays and JSON to CSV tables instantly in your browser.
- **[CSV to Android strings.xml Converter](https://viseer.co/csv-to-android-strings)**: Convert CSV tabular translation data into standard Android XML localization resource files instantly in your browser.
- **[CSV to Markdown Table Converter](https://viseer.co/csv-to-markdown)**: Convert CSV spreadsheet data into clean Markdown table syntax with live preview instantly in your browser.
- **[SQL INSERT Statement Generator from CSV](https://viseer.co/csv-to-sql-insert)**: Convert CSV data and comma-separated rows into batch SQL INSERT statements for MySQL and PostgreSQL instantly in your browser.
- **[CSS Cubic-Bezier Generator](https://viseer.co/cubic-bezier-generator)**: Generate and preview custom CSS cubic-bezier timing curves for smooth animations and transitions instantly in your browser.
- **[Cup to Milliliter & Gram Converter](https://viseer.co/cup-converter)**: Convert cooking cups to milliliters (ml) and grams (g) for flour, sugar, water, and butter instantly in your browser.
- **[Currency Exchange Rate Table Generator](https://viseer.co/currency-table-generator)**: Generate custom multi-currency conversion tables and grid matrix markup with customizable base rates instantly.
- **[Current Unix Timestamp Live Monitor](https://viseer.co/current-unix-timestamp)**: Monitor current Unix Epoch timestamp in real-time with instant copy and multi-format display.
- **[Data Rate & Bandwidth Unit Converter](https://viseer.co/data-rate-converter)**: Convert data transfer rate and internet bandwidth units between Gbps, Mbps, Kbps, MB/s, and KB/s instantly in your browser.
- **[Data Transfer Rate Converter](https://viseer.co/data-transfer-converter)**: Convert data transfer rates between Mbps, MB/s, Kbps, and Gbps instantly in your browser.
- **[Day of the Week Calculator](https://viseer.co/day-of-week-calculator)**: Find out which day of the week any historical or future date falls on instantly in your browser.
- **[Database Connection String Generator](https://viseer.co/db-connection-string-generator)**: Generate secure database connection URIs and configuration strings for MySQL, PostgreSQL, MongoDB, and Redis instantly in your browser.
- **[Decibel (dB) to Voltage/Power Gain Calculator](https://viseer.co/decibel-calculator)**: Convert Decibels (dB) to power and voltage gain ratios or calculate dB from gain factors instantly in your browser.
- **[Diff Checker & Text Comparison](https://viseer.co/diff-checker)**: Compare two text snippets or code blocks side by side to highlight additions, deletions, and differences instantly.
- **[Discord Timestamp Generator](https://viseer.co/discord-timestamp-generator)**: Generate interactive Discord markdown timestamps (<t:timestamp:format>) that automatically adapt to every user's local timezone instantly.
- **[Discount & Markup Calculator](https://viseer.co/discount-markup-calculator)**: Calculate product discounts, final sale prices, and profit markup percentages instantly in your browser.
- **[Distance Between Two Points Calculator](https://viseer.co/distance-calculator)**: Calculate Euclidean distance, Manhattan distance, and midpoint between two Cartesian coordinates instantly in your browser.
- **[Distance & Length Unit Converter](https://viseer.co/distance-converter)**: Convert distance and length units between kilometers, meters, miles, feet, yards, and centimeters instantly in your browser.
- **[DNS Lookup & Propagation Sandbox](https://viseer.co/dns-lookup-sandbox)**: Simulate global DNS record lookups across A, AAAA, CNAME, MX, TXT, and NS query types instantly in your browser.
- **[DNS Record Lookup & Propagation](https://viseer.co/dns-lookup)**: Perform live DNS record lookups (A, AAAA, MX, CNAME, TXT) via secure DNS-over-HTTPS providers instantly.
- **[Docker Compose File Generator](https://viseer.co/docker-compose-generator)**: Generate custom docker-compose.yml configuration files for Nginx, PHP, MySQL, Redis, Node.js, and databases instantly.
- **[Download Time Calculator](https://viseer.co/download-time-calculator)**: Calculate file download times across different internet connection speeds (Mbps, MB/s) instantly.
- **[Ed25519 Key Pair Generator](https://viseer.co/ed25519-generator)**: Generate Ed25519 public and private cryptographic key pairs for modern digital signatures instantly in your browser.
- **[Edge KV Storage Cost & Expiry Calculator](https://viseer.co/edge-kv-calculator)**: Calculate Cloudflare KV / Edge storage pricing, request operational costs, and TTL expiration settings instantly.
- **[Edge Middleware Boilerplate Generator](https://viseer.co/edge-middleware-generator)**: Generate boilerplate code for Cloudflare Workers and Vercel Edge Middleware with request header inspection and geo-routing templates instantly.
- **[Edge Rate Limiting & Sliding Window Sandbox](https://viseer.co/edge-rate-limiter)**: Simulate and test edge rate limiting algorithms (Fixed Window vs. Sliding Window Counter) for API protection instantly.
- **[EditorConfig Generator](https://viseer.co/editorconfig-generator)**: Generate standard .editorconfig configuration files to maintain consistent coding styles across multiple editors and IDEs.
- **[Email to HTML Entity Encoder](https://viseer.co/email-address-hider)**: Encode email addresses into randomized HTML entities to protect mailto links from automated spam scrapers instantly.
- **[Email Address Extractor](https://viseer.co/email-extractor)**: Extract unique email addresses from messy raw text payloads instantly in your browser.
- **[Email Address Obfuscator](https://viseer.co/email-obfuscator)**: Obfuscate email addresses using HTML entities, JavaScript encoding, and CSS tricks to prevent spam bot harvesting.
- **[Energy Unit Converter](https://viseer.co/energy-converter)**: Convert energy values between Joules, calories, kilocalories, and kilowatt-hours (kWh) instantly in your browser.
- **[ESLint Config (.eslintrc) Generator](https://viseer.co/eslint-config-generator)**: Generate customizable ESLint configuration JSON files (.eslintrc.json) for JavaScript and TypeScript projects instantly.
- **[EXIF GPS Coordinate Converter](https://viseer.co/exif-gps-converter)**: Convert EXIF GPS degree, minute, second (DMS) coordinates into standard decimal latitude and longitude coordinates instantly.
- **[Image EXIF Metadata Stripper & Viewer](https://viseer.co/exif-stripper)**: Inspect hidden EXIF metadata (camera model, GPS coordinates, timestamps) and strip sensitive data from JPEG and PNG images locally.
- **[Favicon Generator & HTML Snippet](https://viseer.co/favicon-generator)**: Generate multi-size favicon specifications, Apple touch icons, and complete HTML header markup instantly in your browser.
- **[Base64 File Encoder for CSS/HTML](https://viseer.co/file-base64-encoder)**: Convert images and binary files into Base64 Data URLs for embedding directly into CSS and HTML instantly.
- **[File Hash Calculator](https://viseer.co/file-hash-calculator)**: Calculate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hashes of local files securely in your browser.
- **[Find and Replace Text Utility](https://viseer.co/find-replace)**: Find and replace specific words or phrases in large text blocks instantly with case sensitivity and options.
- **[CSS Flexbox Playground & Generator](https://viseer.co/flexbox-generator)**: Design and test CSS Flexbox layouts visually with interactive controls and instant CSS code generation in your browser.
- **[Font Face CSS Generator](https://viseer.co/font-face-generator)**: Generate optimized CSS @font-face rules for custom web fonts with modern format support instantly.
- **[Fraction to Decimal Converter](https://viseer.co/fraction-to-decimal)**: Convert mathematical fractions into decimals and decimals into simplified fractions instantly in your browser.
- **[GA4 Measurement Protocol Payload Builder](https://viseer.co/ga4-payload-builder)**: Build and test Google Analytics 4 (GA4) Measurement Protocol JSON request payloads for server-side event tracking instantly.
- **[GCD & LCM Calculator](https://viseer.co/gcd-lcm-calculator)**: Calculate Greatest Common Divisor (GCD) and Least Common Multiple (LCM) for multiple numbers instantly in your browser.
- **[GDPR Cookie Consent Banner Generator](https://viseer.co/gdpr-banner-generator)**: Generate customizable, clean HTML and Tailwind CSS snippets for GDPR and CCPA cookie consent banners instantly in your browser.
- **[GeoIP Header Parser & Simulator](https://viseer.co/geoip-simulator)**: Simulate and test Cloudflare, Vercel, and CloudFront Geolocation HTTP request headers for country-based routing instantly.
- **[GeoJSON to TopoJSON Converter](https://viseer.co/geojson-to-topojson)**: Convert GeoJSON spatial polygon and point data into compressed TopoJSON topology format instantly.
- **[.gitignore File Generator](https://viseer.co/gitignore-generator)**: Generate custom .gitignore files for Node.js, PHP, Python, macOS, Windows, and popular development environments instantly.
- **[Google SERP Snippet Preview Tool](https://viseer.co/google-snippet-simulator)**: Preview how your web page title and meta description will appear on Google search result pages with character counting.
- **[CSS Grid Layout Generator](https://viseer.co/grid-layout-generator)**: Generate custom CSS Grid layouts with adjustable columns, rows, and gaps with instant preview and CSS output.
- **[GTM Custom HTML Template Sanitizer](https://viseer.co/gtm-sanitizer)**: Sanitize and inspect Google Tag Manager custom HTML tags to remove insecure scripts and unsafe DOM injections instantly.
- **[Hash & Password Hashing Tool](https://viseer.co/hash-generator)**: Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) for passwords and text strings instantly in your browser.
- **[Hashtag Density & Tag Frequency Checker](https://viseer.co/hashtag-density-checker)**: Analyze social media copy, extract hashtag frequency, and calculate tag density to prevent algorithmic over-saturation instantly.
- **[Hex to ASCII / ASCII to Hex Converter](https://viseer.co/hex-ascii-converter)**: Convert plain text ASCII strings into Hexadecimal code and Hex back to ASCII text instantly in your browser.
- **[Hex-dump Viewer](https://viseer.co/hex-dump-viewer)**: Inspect raw text or binary payloads in a professional hexadecimal and ASCII memory dump layout instantly in your browser.
- **[HEX to CMYK Color Converter](https://viseer.co/hex-to-cmyk)**: Convert HEX web color codes into professional CMYK print color values instantly in your browser.
- **[High-Res Unix Timestamp](https://viseer.co/high-res-timestamp)**: Get current Unix timestamp in microsecond, nanosecond, millisecond, and second precision instantly with real-time updates.
- **[HMAC Generator (SHA-256, SHA-512)](https://viseer.co/hmac-generator)**: Generate secure HMAC-SHA256 and HMAC-SHA512 cryptographic hashes with custom secret keys instantly in your browser.
- **[HMAC Signature Verifier](https://viseer.co/hmac-verifier)**: Generate and verify HMAC signatures (SHA-256, SHA-512) for webhook payloads and API authentication instantly.
- **[htaccess Redirect Generator](https://viseer.co/htaccess-redirect-generator)**: Generate Apache .htaccess redirect and rewrite rules for 301 permanent redirects, domain movements, and SSL enforcement instantly.
- **[HTML Entity Encoder / Decoder](https://viseer.co/html-entity-codec)**: Encode special characters into safe HTML entities or decode entity strings instantly in your browser.
- **[HTML Form to JSON Generator](https://viseer.co/html-form-to-json)**: Convert HTML form markup and input elements into structured JSON schema and payload objects instantly in your browser.
- **[HTML Table to Markdown Converter](https://viseer.co/html-table-to-markdown)**: Convert HTML tables into clean Markdown table syntax with live preview instantly in your browser.
- **[HTML to Pug Converter](https://viseer.co/html-to-pug)**: Convert standard HTML markup into clean, indented Pug (Jade) templates instantly in your browser.
- **[HTTP Header Analyzer](https://viseer.co/http-header-analyzer)**: Parse, inspect, and analyze raw HTTP response and request headers instantly in your browser.
- **[HTTP Request Method Inspector](https://viseer.co/http-method-inspector)**: Inspect standard HTTP request methods (GET, POST, PUT, DELETE, PATCH, OPTIONS) specifications and characteristics.
- **[HTTP Headers & IP Route Tracer](https://viseer.co/http-route-tracer)**: Inspect request/response HTTP headers and simulate multi-hop IP traceroute network hops instantly in your browser.
- **[HTTP Status Code Lookup & Checker](https://viseer.co/http-status-lookup)**: Search and lookup standard HTTP response status codes, definitions, categories, and meanings instantly.
- **[Ideal Body Weight Calculator](https://viseer.co/ideal-weight-calculator)**: Calculate ideal body weight using Devine, Robinson, and Miller formulas based on height and gender instantly.
- **[Image Compressor & Resizer](https://viseer.co/image-compressor)**: Compress and resize JPEG, PNG, and WebP images locally in your browser with adjustable quality levels and instant download.
- **[Image to Base64 Converter](https://viseer.co/image-to-base64)**: Convert PNG, JPEG, WebP, or GIF images into Base64 strings and Data URLs instantly in your browser.
- **[INI to JSON / JSON to INI Converter](https://viseer.co/ini-json-converter)**: Convert configuration files between INI format and JSON format instantly in your browser.
- **[Core Web Vitals INP/FID Optimizer Sandbox](https://viseer.co/inp-optimizer)**: Simulate event handler main thread blocking times and generate Interaction to Next Paint (INP) optimization patterns.
- **[Instagram Multi-Line Caption Formatter](https://viseer.co/instagram-caption-formatter)**: Fix Instagram caption spacing issues, remove invisible characters, and ensure clean line breaks instantly for social media posts.
- **[Instagram Font Generator](https://viseer.co/instagram-font-generator)**: Generate stylish, aesthetic, and bold Unicode fonts for Instagram bio, captions, and stories instantly in your browser.
- **[Invert Image Colors Tool](https://viseer.co/invert-image-colors)**: Invert and reverse all color channels of any image file into a photographic negative instantly in your browser.
- **[iOS Localizable.strings to JSON Converter](https://viseer.co/ios-strings-to-json)**: Convert Apple iOS Localizable.strings property lists into standard JSON format instantly in your browser.
- **[My IP Address Inspector](https://viseer.co/ip-inspector)**: Inspect your public IP address, geolocation data, ISP provider, and network connection headers instantly.
- **[IP Address Lookup & Geolocation](https://viseer.co/ip-lookup)**: Lookup any public IPv4 or IPv6 address to inspect geolocation data, ISP provider, country, and ASN details instantly.
- **[ISO 8601 Date Converter](https://viseer.co/iso-date-converter)**: Convert dates between ISO 8601 formats, Unix epoch timestamps, UTC, and localized date-time strings instantly in your browser.
- **[ISO 8601 Week Number Calculator](https://viseer.co/iso-week-calculator)**: Calculate the ISO 8601 week number, year, and day of the week for any selected date instantly in your browser.
- **[JavaScript Obfuscator](https://viseer.co/javascript-obfuscator)**: Obfuscate JavaScript code by minifying, packing, and scrambling variable names instantly in your browser.
- **[JSON Formatter & Validator](https://viseer.co/json-formatter)**: Validate, format, syntax-check and minify JSON payloads instantly in your browser with zero latency.
- **[JSON Path Evaluator & Tester](https://viseer.co/json-path-evaluator)**: Evaluate and test JSONPath expressions against JSON payloads instantly in your browser.
- **[JSON Schema Validator & Generator](https://viseer.co/json-schema-validator)**: Generate JSON Schema specifications from sample JSON objects and validate payloads instantly in your browser.
- **[JSON to i18n Translation Key Extractor](https://viseer.co/json-to-i18n-extractor)**: Extract flat translation keys and nested localization property paths from JSON translation files instantly in your browser.
- **[JSON to iOS Localizable.strings Converter](https://viseer.co/json-to-ios-strings)**: Convert JSON translation objects into Apple iOS Localizable.strings property list files instantly in your browser.
- **[JWT Debugger & Expiration Inspector](https://viseer.co/jwt-debugger)**: Decode JSON Web Tokens (JWT), inspect claims payload, and check expiration status instantly in your browser.
- **[JWT Debugger & Decoder](https://viseer.co/jwt-decoder)**: Decode JSON Web Tokens (JWT) instantly in your browser to inspect header parameters, payload claims, and expiration status.
- **[JWT Algorithm Migration Validator (RS256/HS256)](https://viseer.co/jwt-migration-validator)**: Validate and test JSON Web Token security configurations during cryptographic algorithm migrations from HS256 to RS256.
- **[JWT Signer & Verifier](https://viseer.co/jwt-signer)**: Sign, verify, and inspect JSON Web Tokens (JWT) using HMAC (HS256/HS512) algorithms instantly in your browser.
- **[Keyword Density Analyzer](https://viseer.co/keyword-density-analyzer)**: Analyze text content for keyword frequency, density percentages, and word counts instantly in your browser.
- **[Keyword Extractor & Token Counter](https://viseer.co/keyword-token-counter)**: Extract frequent keywords, analyze word density, and count LLM tokens instantly in your browser.
- **[Line Break & Duplicate Line Remover](https://viseer.co/line-remover)**: Remove duplicate lines, clean empty line breaks, sort lines, and trim whitespace instantly in your browser.
- **[Alphabetical Line Sorter](https://viseer.co/line-sorter)**: Sort list lines alphabetically (A-Z or Z-A), remove empty lines, and reverse order instantly.
- **[LinkedIn Share URL Generator](https://viseer.co/linkedin-sharer-generator)**: Generate direct LinkedIn post sharing URLs and custom share buttons for your web pages instantly in your browser.
- **[List Randomizer & Sorter](https://viseer.co/list-sorter)**: Shuffle list items randomly, sort alphabetically (A-Z, Z-A), or arrange numerically in your browser.
- **[Loan & Mortgage Calculator](https://viseer.co/loan-calculator)**: Calculate monthly loan payments, total interest payable, and mortgage amortization schedules instantly.
- **[Logarithm Calculator](https://viseer.co/logarithm-calculator)**: Calculate logarithms for natural log (ln), base-10 (log10), and custom bases instantly in your browser.
- **[Lorem Ipsum Placeholder Text Generator](https://viseer.co/lorem-generator)**: Generate placeholder Lorem Ipsum paragraphs, sentences, or words instantly for your mockups and designs.
- **[MAC Address Vendor Lookup](https://viseer.co/mac-vendor-lookup)**: Lookup network hardware vendors and manufacturers instantly using MAC addresses or OUI prefixes in your browser.
- **[Markdown Footnote & Reference Formatter](https://viseer.co/markdown-footnote-formatter)**: Format, organize, and structure footnotes and reference lists in Markdown documents instantly in your browser.
- **[Markdown Link Extractor](https://viseer.co/markdown-link-extractor)**: Extract all URLs, links, and anchor targets from Markdown text documents instantly in your browser.
- **[Markdown Table to HTML Converter](https://viseer.co/markdown-table-to-html)**: Convert Markdown tables into clean, semantic HTML table markup with live preview instantly in your browser.
- **[Markdown to BBCode Converter](https://viseer.co/markdown-to-bbcode)**: Convert Markdown syntax markup into BBCode formatting tags for forums and bulletin boards instantly in your browser.
- **[Markdown to HTML Converter](https://viseer.co/markdown-to-html)**: Convert Markdown syntax into clean HTML code instantly in your browser with real-time preview.
- **[Meta (Facebook) Pixel Event Generator](https://viseer.co/meta-pixel-generator)**: Generate Meta (Facebook) Pixel base initialization and standard tracking event code snippets instantly in your browser.
- **[Meta Tag Generator (Open Graph & Twitter)](https://viseer.co/meta-tag-generator)**: Generate Open Graph, Twitter Cards, and standard SEO meta tags instantly for your websites.
- **[MIME Type Lookup Dictionary](https://viseer.co/mime-type-dictionary)**: Search and lookup web MIME types, media formats, and file extensions instantly in your browser.
- **[MongoDB Query to SQL Converter](https://viseer.co/mongo-to-sql)**: Convert MongoDB find and filter query documents into equivalent relational SQL SELECT statements instantly in your browser.
- **[Morse Code to Audio Player](https://viseer.co/morse-audio-player)**: Convert text into Morse code and play acoustic audio tones directly in your browser using the Web Audio API.
- **[Text to Morse Code Translator](https://viseer.co/morse-code-translator)**: Translate plain text into Morse code and decode Morse code back to readable text instantly in your browser.
- **[Nginx Server Block Generator](https://viseer.co/nginx-config-generator)**: Generate production-ready Nginx server block configuration files with PHP-FPM and SSL support instantly in your browser.
- **[OCSP Request & Response Formatter](https://viseer.co/ocsp-formatter)**: Format and inspect Online Certificate Status Protocol (OCSP) verification requests and responses instantly.
- **[Octal to Decimal / Decimal to Octal Converter](https://viseer.co/octal-decimal-converter)**: Convert Octal base-8 numbers into Decimal base-10 and Decimal back to Octal instantly in your browser.
- **[OpenGraph & Social Card Live Previewer](https://viseer.co/og-card-previewer)**: Simulate and test how website shared links and OpenGraph meta tags appear across X, Facebook, LinkedIn, and Discord feeds instantly.
- **[Open Graph Meta Tag Generator](https://viseer.co/og-meta-generator)**: Generate optimized Open Graph and Twitter card meta tags for social media sharing instantly.
- **[Open Graph (OG) Meta Tag Generator & Inspector](https://viseer.co/og-tag-inspector)**: Generate and inspect Open Graph meta tags to optimize how your web pages appear on Facebook, LinkedIn, and social feeds.
- **[Ohm's Law Calculator](https://viseer.co/ohms-law-calculator)**: Calculate Voltage, Current, Resistance, and Power instantly using Ohm's Law formulas in your browser.
- **[Ounces (oz) to Milliliters (ml) Converter](https://viseer.co/oz-to-ml-converter)**: Convert fluid ounces (fl oz) and weight ounces (oz) to milliliters (ml), liters, and grams instantly in your browser.
- **[Pantone to HEX Color Matcher](https://viseer.co/pantone-to-hex)**: Match iconic Pantone print spot colors into the closest corresponding HEX web color codes instantly in your browser.
- **[Password Generator](https://viseer.co/password-generator)**: Generate secure, random passwords with custom character sets, lengths, and entropy calculations instantly.
- **[Strong Password & Hash Generator](https://viseer.co/password-hash-generator)**: Generate secure passwords with custom rules and calculate MD5, SHA-1, and SHA-256 hashes instantly in your browser.
- **[Password Salt & Pepper Generator](https://viseer.co/password-salt-pepper-generator)**: Generate cryptographically secure random cryptographic salts and application-level pepper secrets for password hashing instantly in your browser.
- **[Password Strength Meter](https://viseer.co/password-strength-meter)**: Evaluate password strength visually with real-time feedback, entropy metrics, and security criteria check.
- **[Payment Gateway Fee Calculator](https://viseer.co/payment-fee-calculator)**: Calculate exact Stripe, PayPal, and merchant processing fees, effective rates, and net payouts across currency tiers instantly.
- **[PBKDF2 Key Derivation Tool](https://viseer.co/pbkdf2-generator)**: Derive cryptographic keys and password hashes using PBKDF2 with configurable iterations, salt, and HMAC algorithms instantly.
- **[Percentage Calculator](https://viseer.co/percentage-calculator)**: Calculate percentages, find what percent one number is of another, and compute percentage increases or decreases instantly.
- **[PGP / GPG Key Fingerprint Formatter](https://viseer.co/pgp-key-formatter)**: Format, parse, and calculate fingerprint structures for OpenPGP public and private key blocks instantly.
- **[PHP Array to JSON Converter](https://viseer.co/php-array-to-json)**: Convert PHP arrays and associative data structures into formatted JSON or parse JSON back into PHP array syntax instantly.
- **[PII Redaction & Masking Tool](https://viseer.co/pii-redaction-tool)**: Detect and redact sensitive Personally Identifiable Information (PII) such as emails, phone numbers, credit cards, and SSNs instantly.
- **[Pinterest Rich Pins Meta Generator](https://viseer.co/pinterest-rich-pins)**: Generate Open Graph and article meta tags optimized for Pinterest Rich Pins instantly in your browser.
- **[8-Bit Pixel Art CSS Box-Shadow Exporter](https://viseer.co/pixel-art-css)**: Convert pixel grid drawings into standalone pure CSS box-shadow art code for retro web graphics instantly.
- **[Pixel & Aspect Ratio Calculator](https://viseer.co/pixel-aspect-ratio-calculator)**: Calculate pixel-to-percentage layouts and proportional aspect ratios for web development instantly.
- **[PKCS#7 / CMS Signature Verifier Sandbox](https://viseer.co/pkcs7-verifier)**: Inspect and verify PKCS#7 / CMS cryptographic digital signatures and enveloped data structures instantly.
- **[Placeholder Image Generator](https://viseer.co/placeholder-image-generator)**: Generate customizable placeholder images with custom dimensions, background colors, and text instantly in your browser.
- **[Placeholder Text Generator](https://viseer.co/placeholder-text-generator)**: Generate custom paragraphs, words, or lists of placeholder Lorem Ipsum text instantly for your design mockups.
- **[Online Port Scanner Simulator](https://viseer.co/port-scanner-simulator)**: Simulate TCP/UDP network port scans across common services (HTTP, HTTPS, SSH, MySQL, Redis, FTP) instantly in your browser.
- **[Power Unit Converter](https://viseer.co/power-converter)**: Convert power measurements between Watts (W), Kilowatts (kW), Megawatts (MW), and Horsepower (HP) instantly.
- **[Text Prefix & Suffix Adder](https://viseer.co/prefix-suffix-adder)**: Add custom prefixes and suffixes to each line of text or code lists instantly in your browser.
- **[Pressure Unit Converter](https://viseer.co/pressure-converter)**: Convert pressure values between bar, PSI, atmospheres (atm), and Pascals (Pa/kPa) instantly in your browser.
- **[Prettier Config (.prettierrc) Builder](https://viseer.co/prettier-config-generator)**: Build and export interactive Prettier configuration JSON files (.prettierrc) for consistent code formatting instantly.
- **[Prime Number Checker & Generator](https://viseer.co/prime-calculator)**: Check if a number is prime and generate all prime numbers within a custom numeric range instantly.
- **[Privacy Policy & Terms Builder](https://viseer.co/privacy-policy-builder)**: Generate professional, GDPR-ready Privacy Policy and Terms of Service Markdown templates instantly in your browser.
- **[Pronounceable Password Generator](https://viseer.co/pronounceable-password-generator)**: Generate secure, high-entropy passwords that are easy to pronounce and remember instantly in your browser.
- **[Properties to JSON / JSON to Properties Converter](https://viseer.co/properties-json-converter)**: Convert Java .properties configuration files to JSON format and JSON back to properties instantly in your browser.
- **[Pug to HTML Converter](https://viseer.co/pug-to-html)**: Convert Pug (Jade) template code into formatted standard HTML markup instantly in your browser.
- **[Punycode (IDN) Domain Encoder / Decoder](https://viseer.co/punycode-encoder)**: Encode internationalized domain names (IDN) with Unicode characters into ASCII Punycode (xn--) format and decode back instantly.
- **[Pythagorean Theorem Calculator](https://viseer.co/pythagorean-calculator)**: Calculate right triangle hypotenuse or missing leg lengths instantly using the Pythagorean theorem (a² + b² = c²).
- **[Python Dictionary to JSON Converter](https://viseer.co/python-dict-to-json)**: Convert Python dictionaries (dict) with single quotes and True/False/None values into standard JSON format instantly.
- **[QR Code Generator](https://viseer.co/qr-code-generator)**: Generate high-resolution QR codes for text, URLs, and data instantly in your browser with SVG export.
- **[Quadratic Equation Solver](https://viseer.co/quadratic-solver)**: Solve quadratic equations (ax² + bx + c = 0) instantly, find real and complex roots, and view step-by-step discriminant calculations.
- **[Query String to JSON / JSON to Query String](https://viseer.co/querystring-json-converter)**: Convert URL query parameters into JSON objects and JSON objects back to query strings instantly in your browser.
- **[Quoted-Printable Encoder / Decoder](https://viseer.co/quoted-printable-codec)**: Encode and decode Quoted-Printable MIME transfer encoding strings instantly in your browser.
- **[Random Number Generator](https://viseer.co/random-number-generator)**: Generate cryptographically secure random numbers with custom ranges, quantities, and exclusion rules instantly.
- **[Reading & Speaking Time Estimator](https://viseer.co/reading-time-estimator)**: Estimate reading and speaking durations for articles, essays, and scripts based on average human speeds instantly.
- **[Readme.md Markdown Skeleton Generator](https://viseer.co/readme-generator)**: Generate professional, structured README.md templates for your GitHub and open-source projects instantly.
- **[Cooking Recipe Scaler & Multiplier](https://viseer.co/recipe-scaler)**: Scale recipe ingredients up or down easily by adjusting original and target serving sizes instantly in your browser.
- **[Regex Tester & Evaluator](https://viseer.co/regex-tester)**: Test regular expressions against sample text live in your browser with real-time match highlighting and flags.
- **[Remove Accents & Diacritics](https://viseer.co/remove-accents)**: Normalize text by stripping diacritics, accents, and special Latin characters into standard ASCII instantly in your browser.
- **[Resistor Color Code Calculator](https://viseer.co/resistor-color-calculator)**: Calculate resistor values and tolerances instantly by selecting 4-band or 5-band color codes in your browser.
- **[Responsive Breakpoint Tester](https://viseer.co/responsive-tester)**: Test responsive web design breakpoints instantly using simulated device frames (Mobile, Tablet, Desktop) in your browser.
- **[Reverse DNS (PTR) Lookup Tool](https://viseer.co/reverse-dns-lookup)**: Perform reverse DNS lookups to resolve IPv4 and IPv6 addresses into canonical PTR hostnames instantly in your browser.
- **[Robots Meta Tag & X-Robots Header Builder](https://viseer.co/robots-meta-builder)**: Generate search engine crawler robots meta tags and HTTP X-Robots-Tag response headers instantly in your browser.
- **[Robots.txt & Sitemap Validator](https://viseer.co/robots-sitemap-validator)**: Validate robots.txt syntax and analyze XML sitemap structures instantly in your browser.
- **[robots.txt Rules Generator](https://viseer.co/robots-txt-generator-tester)**: Generate customized robots.txt files with crawler permissions, disallowed paths, and sitemap directives instantly.
- **[Robots.txt Generator](https://viseer.co/robots-txt-generator)**: Generate custom robots.txt files for search engine crawlers with custom rules, disallows, and sitemap paths.
- **[ROI & Business Growth Calculator](https://viseer.co/roi-growth-calculator)**: Calculate Return on Investment (ROI), customer lifetime value (LTV), and revenue growth projections instantly.
- **[Numeral System Converter (Roman <-> Arabic)](https://viseer.co/roman-arabic-converter)**: Convert numbers between Roman numerals (e.g. MCMXCIV) and standard Arabic integers instantly.
- **[ROT13 Cipher Encoder/Decoder](https://viseer.co/rot13-cipher)**: Encode and decode text using the classic ROT13 substitution cipher algorithm instantly in your browser.
- **[ROT47 Cipher Encoder / Decoder](https://viseer.co/rot47-codec)**: Encode and decode text payloads using the ROT47 substitution cipher algorithm instantly in your browser.
- **[RSA Key Pair Generator](https://viseer.co/rsa-key-generator)**: Generate secure RSA public and private key pairs (PEM format) instantly in your browser.
- **[RSS & Atom Feed Validator & Parser](https://viseer.co/rss-feed-validator)**: Validate XML structure, parse channel items, and inspect RSS or Atom web syndicate feeds instantly.
- **[Ruby Hash to JSON Converter](https://viseer.co/ruby-hash-to-json)**: Convert Ruby hash structures (symbol syntax and arrow syntax) into valid formatted JSON instantly in your browser.
- **[SaaS MRR, ARR & Churn Calculator](https://viseer.co/saas-mrr-calculator)**: Calculate Monthly Recurring Revenue (MRR), Annual Recurring Revenue (ARR), customer churn, and Lifetime Value (LTV) for SaaS businesses.
- **[Scientific Calculator](https://viseer.co/scientific-calculator)**: Perform advanced scientific calculations, trigonometric functions, logarithms, and powers instantly in your browser.
- **[Screen Resolution & PPI Calculator](https://viseer.co/screen-ppi-calculator)**: Calculate screen pixel density (PPI), total pixel count, and diagonal dimensions instantly for UI/UX and hardware design.
- **[HTTP Security Headers Generator](https://viseer.co/security-headers-generator)**: Generate robust HTTP security headers including Content Security Policy (CSP), HSTS, X-Frame-Options, and X-XSS-Protection instantly.
- **[Sentence & Paragraph Capitalizer](https://viseer.co/sentence-capitalizer)**: Capitalize sentences, paragraphs, title case, or toggle text casing instantly in your browser.
- **[SERP Snippet Preview Tool](https://viseer.co/serp-preview-tool)**: Preview how your web pages will appear in Google search results (SERP) with real-time character limits and snippet optimization.
- **[Cold Start Mitigation Generator](https://viseer.co/serverless-coldstart-generator)**: Generate connection pooling, lazy-loading, and keep-alive architectural patterns to mitigate serverless function cold starts.
- **[SHA-1 Hash Generator](https://viseer.co/sha1-generator)**: Generate SHA-1 cryptographic hash sums from plain text strings instantly using secure client-side Web Crypto API.
- **[SHA-512 Hash Generator](https://viseer.co/sha512-generator)**: Generate robust SHA-512 cryptographic hash sums from plain text strings instantly using secure client-side Web Crypto API.
- **[URL Slug Generator](https://viseer.co/slug-generator)**: Convert titles into clean, SEO-friendly URL slugs with custom separators, stop word filtering, and number removal.
- **[Speed Unit Converter](https://viseer.co/speed-converter)**: Convert speed measurements between kilometers per hour (km/h), miles per hour (mph), knots, and meters per second (m/s) instantly.
- **[Tablespoon & Teaspoon to Milliliters Converter](https://viseer.co/spoon-to-ml-converter)**: Convert US and metric tablespoons (tbsp) and teaspoons (tsp) to milliliters (ml) and fluid ounces instantly.
- **[SQL Formatter & Beautifier](https://viseer.co/sql-formatter)**: Format, beautify, and indent raw SQL queries instantly in your browser.
- **[SQL to MongoDB Query Converter](https://viseer.co/sql-to-mongo)**: Convert standard SQL SELECT statements into equivalent MongoDB find and filter documents instantly in your browser.
- **[SQL WHERE Clause Builder](https://viseer.co/sql-where-builder)**: Build and generate multi-condition SQL WHERE query clauses visually and instantly in your browser.
- **[SSL Certificate & IP Binding Checker](https://viseer.co/ssl-certificate-checker)**: Inspect SSL/TLS certificate chains, expiration dates, cryptographic algorithms, and server IP bindings instantly in your browser.
- **[SSL Certificate Expiry Checker](https://viseer.co/ssl-checker)**: Check SSL/TLS certificate validity, expiration date, issuer details, and security status for any domain.
- **[SSL Cipher Suite Checker](https://viseer.co/ssl-cipher-checker)**: Inspect and analyze TLS cipher suites security levels, handshake algorithms, and encryption strengths instantly in your browser.
- **[SSL Certificate Decoder](https://viseer.co/ssl-decoder)**: Decode PEM-formatted SSL/TLS certificates into structured JSON attributes and verify cryptographic details instantly in your browser.
- **[SSR vs Dynamic Rendering SEO Impact Matrix](https://viseer.co/ssr-seo-matrix)**: Evaluate and compare Server-Side Rendering (SSR) versus Dynamic Rendering architecture impacts on search engine crawling and SEO rankings.
- **[Storage Unit Converter](https://viseer.co/storage-unit-converter)**: Convert digital storage units between Bytes, KB, MB, GB, TB, and PB instantly in your browser.
- **[String Case Converter](https://viseer.co/string-converter)**: Convert text between camelCase, snake_case, kebab-case, PascalCase, UPPERCASE, and lowercase instantly.
- **[String to Unicode Converter](https://viseer.co/string-to-unicode)**: Convert plain text strings into Unicode escape sequences (\uXXXX) and decode back instantly in your browser.
- **[Strip HTML Tags from Text](https://viseer.co/strip-html-tags)**: Remove all HTML tags, markup elements, and scripts from raw text strings instantly in your browser.
- **[Stylelint Config Generator](https://viseer.co/stylelint-config-generator)**: Generate stylelint configuration files (.stylelintrc.json) for CSS and SCSS code quality enforcement instantly.
- **[IP Subnet Range Extractor](https://viseer.co/subnet-extractor)**: Calculate IPv4 subnet ranges, network addresses, broadcast IPs, netmasks, and total host counts instantly in your browser.
- **[SVG Minifier & Optimizer](https://viseer.co/svg-minifier)**: Optimize and minify SVG vector graphics by stripping unnecessary metadata, comments, and whitespace instantly in your browser.
- **[SVG Path Morphing Keyframe Generator](https://viseer.co/svg-morph-generator)**: Generate SVG path morphing animation keyframe definitions and CSS transitions for smooth vector animations instantly.
- **[SVG Path Cleaner & Compressor](https://viseer.co/svg-path-cleaner)**: Clean, optimize, and compress SVG path data strings and XML markup by reducing decimal precision and removing redundant whitespace.
- **[SVG Path Data Extractor & Manipulator](https://viseer.co/svg-path-extractor)**: Extract individual command segments, parse coordinates, and manipulate SVG path data strings instantly.
- **[SVG to Data URI Converter](https://viseer.co/svg-to-data-uri)**: Convert SVG code into optimized CSS Data URIs (Base64 & URL-encoded) instantly in your browser.
- **[TDEE (Total Daily Energy Expenditure) Calculator](https://viseer.co/tdee-calculator)**: Calculate your Total Daily Energy Expenditure (TDEE) and calorie goals for cutting, bulking, or maintaining weight.
- **[Temperature Converter (°F, °C, Kelvin)](https://viseer.co/temperature-converter)**: Convert temperatures instantly between Celsius, Fahrenheit, and Kelvin in your browser.
- **[Temperature Unit Converter](https://viseer.co/temperature-unit-converter)**: Convert temperature values seamlessly between Celsius (°C), Fahrenheit (°F), and Kelvin (K) instantly in your browser.
- **[Word, Character & Paragraph Counter](https://viseer.co/text-counter)**: Count words, characters, sentences, paragraphs, and estimate reading time instantly in your browser.
- **[Text Deduplicator](https://viseer.co/text-deduplicator)**: Remove duplicate lines and entries from your text lists instantly in your browser.
- **[Text Reverse & Line Reverse Tool](https://viseer.co/text-reverse)**: Reverse text strings character by character or invert multi-line list orders instantly in your browser.
- **[TikTok Font Generator](https://viseer.co/tiktok-font-generator)**: Generate stylish, aesthetic, and bold Unicode fonts for TikTok bios, captions, and comments instantly in your browser.
- **[Time Duration Calculator](https://viseer.co/time-duration-calculator)**: Calculate exact time duration in hours, minutes, seconds, and days between two timestamps instantly.
- **[Time Until Target Date Countdown](https://viseer.co/time-until-calculator)**: Calculate exact remaining days, hours, minutes, and seconds until any future target date and time instantly.
- **[Timestamp to Date Converter](https://viseer.co/timestamp-converter)**: Convert Unix timestamps to readable dates and vice-versa instantly in your browser.
- **[Tip & Bill Split Calculator](https://viseer.co/tip-calculator)**: Calculate restaurant tips, split bills evenly among multiple people, and view per-person totals instantly.
- **[TOML to JSON / JSON to TOML Converter](https://viseer.co/toml-json-converter)**: Convert TOML configuration structures into JSON and JSON into TOML instantly in your browser.
- **[TopoJSON to GeoJSON Converter](https://viseer.co/topojson-to-geojson)**: Decompress and convert TopoJSON topology objects back into standard GeoJSON feature collections instantly.
- **[TOTP QR Code & Secret Generator](https://viseer.co/totp-generator)**: Generate time-based one-time password (TOTP) secrets and authenticator URI payloads instantly in your browser.
- **[Triangle Area, Perimeter & Angle Solver](https://viseer.co/triangle-solver)**: Solve triangle side lengths, interior angles, perimeter, and area instantly using Side-Side-Side (SSS) or Side-Angle-Side (SAS).
- **[Trigonometric Functions Evaluator](https://viseer.co/trigonometry-calculator)**: Evaluate trigonometric functions (sin, cos, tan, csc, sec, cot) for degrees or radians instantly in your browser.
- **[TypeScript Config (tsconfig.json) Generator](https://viseer.co/tsconfig-generator)**: Generate structured tsconfig.json compiler option preset files for modern TypeScript and Node.js/Web projects instantly.
- **[Twitter Card Generator](https://viseer.co/twitter-card-generator)**: Generate optimized Twitter / X Card meta tags with summary and large image support instantly in your browser.
- **[Unix Epoch Converter](https://viseer.co/unix-epoch-converter)**: Convert Unix epoch timestamps to human-readable dates and normal dates to timestamps instantly in your browser.
- **[URL Encoder / Decoder](https://viseer.co/url-codec)**: Encode special characters into URL-safe percent-encoding or safely decode encoded URL strings instantly.
- **[URL Extractor from Text](https://viseer.co/url-extractor)**: Extract all unique website URLs and web links from messy raw text payloads instantly in your browser.
- **[URL Safe Base64 Encoder](https://viseer.co/url-safe-base64-encoder)**: Encode plain text strings into URL-safe Base64 format (replacing +/ with -_ and stripping padding) instantly in your browser.
- **[URL Safe Base64 Encoder / Decoder](https://viseer.co/url-safe-base64)**: Encode text to URL-safe Base64 format and decode URL-safe Base64 strings instantly in your browser.
- **[URL Encoded String Generator](https://viseer.co/url-string-encoder)**: Encode and decode URL parameters and strings safely using standard percent-encoding instantly in your browser.
- **[User-Agent String Generator](https://viseer.co/user-agent-generator)**: Generate realistic browser, mobile, and bot User-Agent identification strings instantly in your browser.
- **[User-Agent Parser & Inspector](https://viseer.co/user-agent-parser)**: Parse, analyze, and inspect browser User-Agent strings to detect browser, operating system, device type, and rendering engine instantly.
- **[UTM Parameter Link Builder](https://viseer.co/utm-builder)**: Build tracking URLs with custom UTM parameters (source, medium, campaign, term, content) instantly in your browser.
- **[UTM Campaign Builder & QR Generator](https://viseer.co/utm-qr-builder)**: Build trackable marketing campaign URLs with custom UTM parameters and generate companion SVG QR codes instantly.
- **[UUID / GUID Generator](https://viseer.co/uuid-generator)**: Generate secure random UUID version 4 (GUID) identifiers instantly in single or bulk batches with custom formatting.
- **[UUID v1, v3, v4, v5 Generator Suite](https://viseer.co/uuid-suite)**: Generate universal unique identifiers (UUID version 1, 3, 4, 5) with custom namespaces and bulk support instantly.
- **[Sales Tax & VAT Calculator](https://viseer.co/vat-calculator)**: Calculate sales tax, VAT, gross price from net amount, and reverse tax amounts instantly in your browser.
- **[Voltage Divider Calculator](https://viseer.co/voltage-divider-calculator)**: Calculate output voltage (V_out) and current for resistor voltage divider circuits instantly in your browser.
- **[Volume & Liquid Unit Converter](https://viseer.co/volume-converter)**: Convert volume and liquid units between liters, milliliters, US gallons, fluid ounces, and cooking cups instantly.
- **[Water Intake Daily Requirement Calculator](https://viseer.co/water-intake-calculator)**: Calculate your recommended daily water intake based on body weight, activity level, and climate instantly in your browser.
- **[Web Audio 8-Bit SFX Generator](https://viseer.co/web-audio-sfx-generator)**: Generate retro 8-bit sound effect (SFX) JavaScript code snippets using the browser's native Web Audio API oscillators instantly.
- **[Web Safe Fonts CSS Generator](https://viseer.co/web-safe-fonts-generator)**: Generate cross-platform CSS font-family stacks using standard web-safe typography instantly in your browser.
- **[WebSocket Client Testing Tool](https://viseer.co/websocket-client)**: Test and debug WebSocket servers directly from your browser with real-time messaging and live event logging.
- **[Weight & Mass Unit Converter](https://viseer.co/weight-converter)**: Convert weight and mass units between kilograms, grams, pounds, ounces, and milligrams instantly in your browser.
- **[Remove Whitespace & Extra Spaces](https://viseer.co/whitespace-remover)**: Remove extra spaces, trailing whitespace, blank lines, and all whitespace from text instantly in your browser.
- **[Word Frequency Counter](https://viseer.co/word-frequency-counter)**: Analyze text content to count word occurrences, total characters, unique words, and frequency distribution instantly in your browser.
- **[Working Days Between Dates Calculator](https://viseer.co/working-days-calculator)**: Calculate the exact number of working business days between two dates with customizable weekend days instantly in your browser.
- **[Twitter (X) Card Generator](https://viseer.co/x-card-generator)**: Generate Twitter Card meta tags (summary, summary_large_image) for X sharing optimization instantly in your browser.
- **[X.509 SAN Parser & Generator](https://viseer.co/x509-san-generator)**: Generate and parse Subject Alternative Name (SAN) extensions for SSL/TLS X.509 certificates and CSR configurations instantly.
- **[XML to JSON / JSON to XML Converter](https://viseer.co/xml-json-converter)**: Convert XML to JSON and JSON to XML data structures instantly in your browser.
- **[YAML to JSON / JSON to YAML Converter](https://viseer.co/yaml-json-converter)**: Convert YAML data structures to JSON and JSON to YAML instantly in your browser.
- **[YouTube Thumbnail Safe Zone Generator](https://viseer.co/youtube-safezone-generator)**: Generate dimension guidelines and layout overlay specifications to ensure video titles and UI elements never block thumbnail text.
- **[Zlib / Deflate Decompression Sandbox](https://viseer.co/zlib-sandbox)**: Inspect and simulate Zlib / Deflate compression and decompression payloads instantly in your browser.
- **[Zodiac Sign Calculator](https://viseer.co/zodiac-calculator)**: Find your Western astrological zodiac sign, element, and symbol based on your birth date instantly in your browser.

## Platform Architecture
- Pure client-side JavaScript execution for maximum security and privacy.
- Powered by PHP and Tailwind CSS.