Runs 100% locally

Fourteen dev tools. Zero uploads.

Format JSON, decode JWTs, hash text, generate passwords and more — every operation runs in your browser. Nothing is ever sent to a server.

JSON Formatter

Beautify, minify & validate JSON.

Decode header & payload. Client-side only — token never leaves browser.

Header

Payload

RFC 4122 v4 UUIDs.

Count

Cryptographically strong random passwords.

Length 20

MD5, SHA family & more (server-side via PHP hash()).

Encode & decode text (UTF-8 safe).

Unix epoch ⇄ human date.

Unix timestamp (s or ms)

Date string

HEX · RGB · HSL with live preview.

HEX RGB HSL

Live match highlighting (JS engine).

/ /

A · AAAA · MX · NS · TXT · CNAME · SOA (server-side).

Geo + network info. Empty = your IP.

Common commands by category.

Fire HTTP requests. Note: target must allow CORS.

Headers (JSON) Body

Any text or URL → scannable QR.