Developer Tools

10 tools

Formatters, converters, encoders and validators for everyday engineering.

Beautify, minify & validate JSON

Diff two JSON objects side by side

Inspect header, payload & signature

Encode & decode Base64 — text and files

Percent-encode, decode & inspect URLs

Live match highlighting & groups

MD5, SHA-1, SHA-256 and more

v4 & v7 unique identifiers

Live-render markup in a safe sandbox

Unix ↔ human-readable dates