Everything runs locally in your browser. Nothing is uploaded.
No signup, nothing uploaded. Fully free.
Paste your JSON to format, validate, and minify it instantly. Pretty print with 2-space indent or collapse to a single line.
Everything runs locally in your browser. Nothing is uploaded.
No signup, nothing uploaded. Fully free.
Paste your JSON and click Format to pretty print it with 2-space indentation, or Minify to collapse it to a single line. It validates instantly and everything runs in your browser.
The tool shows a red error message with the parser's explanation and the position (line and column) where parsing failed, so you can find and fix the problem quickly.
Yes. Nothing is uploaded or stored. All formatting and validation happen locally in your browser, so your data never leaves your device.