JSON Formatter

Format and compress JSON. Validate syntax, pretty-print, and generate TypeScript interfaces from JSON.

JSON Formatter

Prettify or compress JSON data, and validate it on the fly.

How to Use the JSON Formatter

  1. 1Paste your raw JSON into the editor.
  2. 2Click Prettify to indent and format it, or Compress to strip all whitespace.
  3. 3Invalid JSON is flagged with the exact error position so you can fix it fast.
  4. 4Copy the result or keep toggling between pretty and minified views.

Frequently Asked Questions