JSON Formatter & Validator

Beautify, validate, and minify your JSON payloads instantly in your browser. Clean, fast, and private.

Input Raw JSON

Formatted Output

How to Format and Validate JSON

Paste JSON

Paste your unformatted or minified JSON payload into the input editor.

Beautify or Minify

Click Format to produce human-readable 2-space indented JSON or Minify to compact it.

Copy Result

Click Copy JSON to easily paste into your code editor or API test clients.

Frequently Asked Questions

The validator uses standard ECMAScript JSON parsing logic to detect mismatched braces, invalid commas, unquoted keys, and syntax errors, displaying the exact error message.

Yes, clicking the Minify button removes all indentation and whitespace to make your JSON as compact as possible.