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JSON Formatter & Validator
Format, beautify, and validate JSON online. Minify for production or pretty-print for readability.
Input
Output
Paste JSON to format
How to Use
- Paste your JSON into the input panel on the left
- The output will automatically format with your chosen settings
- Select indent style: 2 spaces, 4 spaces, tabs, or minified
- Enable "Sort Keys" to alphabetize object properties
- Copy the result or download as a .json file
Features
- ✓Real-time formatting as you type
- ✓Instant JSON validation with error details
- ✓Multiple indent options (2/4 spaces, tabs)
- ✓Minify mode for production
- ✓Alphabetical key sorting
- ✓Size comparison (before/after)
- ✓Copy and download output
- ✓100% client-side processing