Developer Tools
Formatters, encoders, generators and converters for everyday development.
JSON Formatter & Validator Pretty-print, minify and validate JSON. Base64 Encode / Decode Encode text to Base64 and back. URL Encode / Decode Percent-encode and decode URLs and components. Case Converter Convert text between camelCase, snake_case, kebab and more. UUID Generator Generate random UUIDs (v4) in bulk. Hash Generator SHA-1, SHA-256, SHA-384 and SHA-512 hashes. Unix Timestamp Converter Convert between Unix time and human dates. Color Converter Convert colors between HEX, RGB, HSL and OKLCH. Regex Tester Test regular expressions with live match highlighting. Text Diff Checker Compare two texts and highlight the differences. Markdown Preview Write Markdown and preview the rendered HTML. QR Code Generator Create QR codes for text, URLs and Wi-Fi. QR Code Reader Decode QR codes from an image. Code Formatter Beautify JSON, HTML, CSS, JS and more with Prettier. Cron Expression Parser Explain cron expressions and preview next runs. JSON · YAML · CSV · TOML Converter Convert between JSON, YAML, CSV and TOML. JWT Decoder Decode and inspect JSON Web Tokens. HMAC Generator Compute HMAC signatures with a secret key. Number Base Converter Convert numbers between binary, octal, decimal and hex. Slugify Turn any text into a clean URL slug. Lorem Ipsum Generator Generate placeholder text by words or paragraphs. Word & Character Counter Count words, characters, lines and reading time. .env ↔ JSON Converter Convert between .env files and JSON. Escape / Unescape Escape and unescape HTML, JSON and JS strings. Password Generator Generate strong, random passwords. ULID Generator Generate sortable, time-based ULIDs.