Data helper
JSON Formatter
Pretty-print, minify, and validate JSON instantly—then copy the output.
Guide
How to use & features
- Paste JSON into the input area and click Format or Minify to transform it.
- If parsing fails, you’ll see an error message with a line number so you can fix it quickly.
- Copy or download the formatted output to hand it off to scripts or teammates.
- All operations run locally—no data is uploaded.