JSON Formatter
Format, validate and beautify JSON data. Detect syntax errors with helpful messages.
Free Runs in your browser Developer Tools
How to use
- 1 Paste your code or text into the input field
- 2 The tool will format or validate it automatically
- 3 Review the formatted output
- 4 Copy the result with the Copy button
Key features
- Works directly in your browser, no data sent to any server
- Free to use, no account or sign-up required
- Instant results — no waiting or processing delays
- Mobile-friendly, works on any device