JSON Formatter & Validator

Paste your JSON below to format, validate, or minify it instantly.

What Does This JSON Formatter Do?
This tool takes raw or minified JSON data and makes it easy to read. It can format (prettify with indentation), minify (remove whitespace), and validate (check for syntax errors) any JSON input. No data is sent to any server — everything happens locally in your browser.
How to Use
  1. Paste your JSON into the input area
  2. Click Format to prettify with 2-space indentation
  3. Click Minify to compress into a single line
  4. Click Validate to check for JSON syntax errors
  5. Click Copy to copy the output to your clipboard
Common JSON Errors
The most common JSON validation errors include: trailing commas, single quotes instead of double quotes, unquoted keys, and missing brackets. This tool shows you the exact error position so you can fix it quickly.
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