JSON Formatter & Validator
Format, validate, and minify JSON data. Instant syntax error detection.
Result
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How to Use the JSON Formatter
Paste your JSON data into the input field and click Format to beautify it with proper indentation, Minify to compress it, or Validate to check for syntax errors.
Features
- Format/Beautify — Adds indentation and line breaks for readability
- Minify — Removes whitespace to reduce file size
- Validate — Checks syntax and reports errors with details
Common JSON Errors
- Missing or extra commas
- Unquoted property names
- Single quotes instead of double quotes
- Trailing commas after last element
- Unescaped special characters in strings