Developer Tools
Utilities for developers: JSON, regex, encoding, minification, and more.
JSON Formatter
Format, validate & minify JSON with syntax highlighting
Regex Tester
Test regex patterns with live matching and explanations
Base64 Encoder
Encode & decode Base64 strings and files
URL Encoder
Encode & decode URL components and query strings
JWT Decoder
Decode and inspect JSON Web Tokens
CSS Minifier
Minify or beautify CSS code
HTML to Markdown
Convert HTML to clean Markdown
Diff Checker
Compare two texts side by side
Cron Generator
Build & explain cron expressions
Lorem Ipsum
Themed placeholder text generator
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
JSON ↔ CSV
Convert between JSON and CSV formats
Timestamp Converter
Convert Unix timestamps to human-readable dates
Contrast Checker
Check color contrast for WCAG accessibility
px ↔ rem Converter
Convert between px, rem, and em units
JSON ↔ XML
Convert between JSON and XML formats
HTML Entity Encoder
Encode and decode HTML entities
Tailwind Colors
Generate Tailwind CSS color scales from any color