Programming utilites
A collection of free online tools for developers. Format JSON, minify code, generate hashes, encode strings, and more
39 services|Published: Oct 5, 2025|Updated: Oct 14, 2025
A collection of free online tools for developers. Format JSON, minify code, generate hashes, encode strings, and more
All Services
Complete list of all services in this category
⚙️API Key Random Generator⚙️Android App Icon Generator🖥️App Name and Short Name Trimmer⚙️Babel Config Generator🛠️Binary Search Visualizer📝CSP Policy Builder Helper Text Only🎨CSS Formatter and Validator Basic⚙️Changelog Generator Keep a Changelog Style🧮Code Coverage Calculator Manual Inputs⚙️Command Line Snippet Builder📅Commit Message Lint Helper🌐Dockerfile Lint Helper Basic📱ENV File Formatter⚙️Favicon Generator ICO PNG Multi Size📱Gitignore Builder🛠️HMAC Playground SHA 256 Basic💻HTML Formatter and Validator Basic🧮Hash Calculator SHA 256 SHA 384 SHA 512📋JSON Formatter and Validator📋JSON to TypeScript Interface Generator🔓JWT Decoder Header and Payload Viewer🧮JWT Expiry Timestamp Calculator📋Manifest JSON Builder for PWA📅Memory Usage Estimator for Collections📋Minify JSON Lines and Splitter⚙️PWA Icon Generator All Sizes🖥️Properties File Formatter🧮Rate Limit Calculator Tokens and Bursts⚙️Recursion Depth Estimator⚙️Release Notes Generator Template⚙️Robots TXT Generator🔧SVG Sprite Builder🛠️Sorting Algorithm Visualizer Offline✅TOML Formatter and Validator🔄TOML to JSON and JSON to TOML Converter⚙️TSConfig Generator⏰Time Complexity Comparator Tool⚙️UUID and ULID Generator📋VS Code Settings JSON Builder