Home

Choose a tool to get started

Prettify, minify, and validate JSON with real-time error detection

Encode and decode Base64 strings with live preview

Encode and decode URLs with live conversion

Decode and create JWT tokens with signature verification

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly

Generate UUID v4 identifiers with bulk generation and formatting options

Convert Unix timestamps to human-readable dates and vice versa

Encode and decode HTML entities with named, numeric, and hex formats

Test regular expressions with live matching and capture groups

Convert colors between HEX, RGB, and HSL formats with live preview

Live markdown editor with real-time preview. Supports GitHub Flavored Markdown.

Convert between YAML and JSON formats with live preview and validation

All processing happens in your browser. Your data is never sent to any server.