Online Tools That Just Work
No signup. No ads. No nonsense. Just fast, free tools for developers and everyone.
JSON Formatter
Format, validate, and minify JSON with syntax highlighting
JSON Diff
Compare two JSON objects and see structural differences highlighted
Regex Tester
Test regular expressions with real-time match highlighting
Markdown Preview
Write Markdown and see it rendered in real-time
Base64 Encode/Decode
Encode or decode Base64 strings instantly
UUID Generator
Generate random UUIDs (v4) with one click
JWT Decoder
Decode and inspect JSON Web Token headers and payloads
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
URL Encode/Decode
Encode or decode URL components
CSS Minifier
Minify or beautify CSS to optimize file size or readability
HTML Entity Encoder
Encode and decode HTML entities for special characters
Cron Expression Parser
Parse cron expressions into plain English with next run times
Color Converter
Convert between HEX, RGB, and HSL color formats
Timestamp Converter
Convert Unix timestamps to human-readable dates and back
Text Diff
Compare two texts and see the differences highlighted