JSON Formatter / Validator
Format, validate, and beautify JSON data with syntax highlighting.
Processed locally in your browser — nothing is uploaded.
How to Use
- Paste your JSON data into the input field.
- Click Format to beautify or Minify to compress.
- View validation status and copy the formatted output.
FAQ
What does this tool do?
It formats, validates, and beautifies JSON data with proper indentation and syntax highlighting. It also supports minification.
Can it fix invalid JSON?
The tool reports detailed error messages for invalid JSON with line and column numbers to help you fix issues, but it does not auto-fix them.