JSON Lint & Formatter
Validate, beautify and minify JSON in a flash — with precise error locations and live structure stats. Fast, private, and free.
Indent
Waiting for input
Pinpoint errors
Invalid JSON is flagged with the exact line and column — click the error to jump straight to it.
Format your way
Beautify with 2-space, 4-space or tab indentation, minify to one line, or sort keys alphabetically.
Private by design
Everything runs in your browser. Your JSON is never uploaded, logged or sent anywhere.