All Tools
Developer utilities that just work. No sign-up, 100% client-side.
Pretty-print, validate, and minify JSON.
Compare JSON side-by-side with visual diff.
Convert JSON to YAML and back.
Table view, auto-detect delimiter, export.
Render HTML in real-time with device modes.
GFM support with syntax highlighting.
Generate fetch, axios, node.js code.
Parse, edit query params, encode/decode.
Decode tokens, edit payload, check expiry.
Generate and scan QR codes.
Test patterns with all flags support.
Unix timestamp ↔ ISO, timezone conversion.
Flowcharts, sequence diagrams & more.
Encode text ↔ decode Base64, URL-safe.
Escape/unescape JSON strings.
Base64/hex bytes to PDF.
Compress/decompress gzip.
⌨️ Keyboard Shortcuts
💡 Press two keys quickly (e.g., jc for JSON) to jump to tools. Press ? for all shortcuts.
More tools coming soon • Use Magic Box to auto-detect your input