All Tools

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.