Free browser-based utilities that streamline coding tasks with instant text processing, data conversion, and validation capabilities.
Brotli Compression Encoder/Decoder Compress and decompress data using Google’s Brotli algorithm directly in your browser. Brotli delivers significantly better compression ratios than Gzip — often 20-30% smaller output — making it the preferred choice for web content delivery via HTTP Content-Encoding. How to Use Choose between Compress or Decompress mode. Enter your text in the ...
Try the Tool »HEX Color to Color Name Converter Convert any HEX color code to its nearest CSS/HTML named color instantly. Enter a hex value or use the visual color picker to find the closest matching color name from the standard 140 CSS3 named colors, complete with similarity scores and side-by-side swatch comparisons. How to Use Enter a ...
Try the Tool »LAB to RGB Converter Convert CIE L*a*b* color values to RGB and HEX formats with scientific accuracy. This tool performs the full LAB to XYZ to RGB transformation pipeline using the D65 standard illuminant and proper sRGB gamma correction, with visual color preview and out-of-gamut detection. How to Use Enter your LAB values — L ...
Try the Tool »HSV to RGB Converter Convert between HSV (Hue, Saturation, Value) and RGB color spaces instantly with live visual preview. Adjust hue, saturation, and value using intuitive sliders and see the corresponding RGB and HEX values update in real time. How to Use Adjust the HSV sliders — Hue (0-360°), Saturation (0-100%), and Value (0-100%) — ...
Try the Tool »Color Distance Calculator Calculate the perceptual difference between two colors using industry-standard CIE deltaE formulas. Input colors via HEX codes or color pickers and instantly see how different they appear to the human eye, with results from three deltaE algorithms and a plain-language interpretation. How to Use Enter two colors using HEX codes or the ...
Try the Tool »Protocol Buffers (Protobuf) Formatter Protocol Buffers — Google’s language-neutral, platform-neutral serialization format — power everything from gRPC microservices to mobile app APIs. But .proto files get messy fast, especially when multiple developers touch the same schema definitions. Inconsistent indentation, misaligned field numbers, and sloppy formatting make code reviews painful and diffs unreadable. This formatter parses ...
Try the Tool »TOML Formatter & Validator TOML (Tom’s Obvious Minimal Language) has become the go-to config format for Rust projects (Cargo.toml), Python packaging (pyproject.toml), and plenty of other tools. It’s designed to be human-readable, but hand-edited config files inevitably drift — inconsistent spacing, jumbled key ordering, and subtle syntax errors that only surface at build time. This ...
Try the Tool »Go Code Formatter (gofmt-style) Go’s philosophy is clear: there’s one right way to format code, and it’s gofmt. Every Go project uses the same formatting — tabs for indentation, opening braces on the same line, sorted imports — and that consistency is one of the language’s greatest strengths. But when you’re editing Go outside your ...
Try the Tool »TypeScript Code Formatter TypeScript projects live and die by consistent formatting. Whether your team uses semicolons or skips them, prefers single quotes or double, two-space or four-space indentation — the formatter needs to apply those rules consistently across every file. This tool formats your TypeScript code client-side with configurable style options, so you can match ...
Try the Tool »Unicode to HTML Entities Converter Special characters in HTML can break rendering, cause encoding issues, or display incorrectly across browsers. Converting Unicode characters to HTML entities ensures your content displays correctly everywhere — from email templates to legacy CMS platforms. This tool handles the conversion in both directions, entirely in your browser. Paste your text ...
Try the Tool »Zstandard (Zstd) Compression Tool Zstandard (Zstd) is Facebook’s modern compression algorithm that delivers better compression ratios than gzip at significantly faster speeds. It’s increasingly used for web assets, database backups, package distribution, and real-time data streaming. This tool lets you compress and decompress data using Zstd entirely in your browser — no installation, no server ...
Try the Tool »Cookie Parser & Decoder Paste any Cookie or Set-Cookie header to instantly parse it into structured, readable data. Identifies all cookie attributes, URL-decodes values, flags security issues, and exports results as JSON. How to Use Paste a Cookie header (semicolon-separated key=value pairs) or one or more Set-Cookie headers (one per line) into the input field. ...
Try the Tool »Security Headers Checker Paste HTTP response headers to instantly analyze your site’s security posture. Checks all critical security headers, assigns an overall grade from A+ to F, and provides actionable fix recommendations with server configuration examples. How to Use Paste your HTTP response headers (key: value format, one per line) into the input field. The ...
Try the Tool »Robots.txt Tester Paste your robots.txt file and test whether specific URLs are allowed or blocked for any crawler. Validates syntax against RFC 9309, highlights errors, and extracts sitemap references. How to Use Paste your robots.txt content into the input field, enter a URL path to test, and select a User-agent. The tool instantly shows whether ...
Try the Tool »HTTP Header Analyzer Paste any HTTP request or response headers for instant analysis. Categorizes headers by type, explains each header’s purpose, validates CORS and caching configurations, flags deprecated headers, and provides performance optimization suggestions. How to Use Paste HTTP headers (key: value format, one per line) into the input field. The tool automatically parses, categorizes, ...
Try the Tool »Terraform (.tf) Formatter Format and validate your Terraform configuration files directly in the browser. Paste any .tf code and get properly indented, consistently styled output that follows HashiCorp conventions. Supports resource blocks, variables, outputs, data sources, locals, and modules with optional alphabetical attribute sorting. How to Use Paste your Terraform code into the input area ...
Try the Tool »GraphQL Schema Formatter Format and validate your GraphQL Schema Definition Language (SDL) with consistent indentation, proper styling, and syntax highlighting. Paste your schema or upload a .graphql file to instantly clean up type definitions, queries, mutations, and directives. How to Use Paste your GraphQL SDL schema into the input area or upload a .graphql/.gql file. ...
Try the Tool »Code Syntax Highlighter Paste code in any of 100+ programming languages and get instant, beautifully syntax-highlighted output. Choose from 20 popular themes, toggle line numbers, highlight specific lines, and export as embeddable HTML with inline CSS. How to Use Paste or type your code in the editor. Select the programming language (or use auto-detect) and ...
Try the Tool »File Hash Calculator Calculate MD5, SHA-1, SHA-256, SHA-512, and SHA-3 checksums for any file — entirely in your browser. Verify file integrity by comparing hashes, process multiple files in batch mode, and handle files up to 2GB with chunked streaming. How to Use Drag and drop a file (or click to browse), select which hash ...
Try the Tool »Text to Speech Generator Convert any text to spoken audio using your browser’s built-in speech synthesis. Choose from dozens of voices and languages, adjust speed, pitch, and volume, and hear your text read aloud — all without uploading anything to a server. How to Use Type or paste your text, select a voice and language ...
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Scoreboard is a fun way to keep track of your games, all data is stored in your browser. More features are coming soon!
Update: Our latest tool was added on Apr 21, 2026
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