{ }JSONform
Local & private
Developer utility

Make JSON readable.
Keep your data private.

Format, validate, sort, and inspect JSON instantly. Everything stays in your browser unless you explicitly load a URL.

Waiting for JSON
0 lines0 KB0 values
100% client-sideNo data leaves this browser
Strict validationNative JSON parser accuracy
Autosaved locallyPick up where you left off

A focused JSON workspace

Clean up API responses, configuration files, and payloads without sending sensitive data to a server. JSONform combines precise validation with recursive key sorting, minification, a collapsible tree, and a small local recovery history.