Format and edit JSON with a visual editor
Encode and decode Base64 strings
Convert between Unix timestamps and dates
View OpenAPI specs with interactive documentation
Generate UUIDs and GUIDs with various options
Decode and inspect JWT tokens
Count words, characters, lines, sentences, and paragraphs
Optimize and compress SVG files
Encode and decode URL strings
Compare two texts and highlight differences
Preview markdown with live rendering
Test regular expressions with live matching and highlighting
Generate QR codes from text or URLs
Compare 3D boxes to visualize size differences