Format, validate, and beautify your JSON data
Click to upload or drag and drop
Supports .json files
{"name":"John","age":30,"city":"New York","hobbies":["reading","coding"]}1. How do I format JSON online?
Paste or upload your JSON data above and click "Format (Pretty)" to beautify your JSON instantly.
2. Can I validate JSON with this tool?
Yes, the tool checks your JSON for errors and tells you if it is valid or not.
3. How do I minify JSON?
Click the "Minify" button to remove all unnecessary spaces and line breaks from your JSON.
4. Is my JSON data secure?
All formatting and validation happens in your browser. Your data is never sent to any server.
5. Can I upload a JSON file?
Yes, use the upload area to select a .json file from your device and view or format it here.
6. How do I copy formatted JSON?
After formatting, click "Copy to Clipboard" to copy the result for use elsewhere.
7. What if my JSON is invalid?
The tool will show an error message and highlight issues so you can fix them easily.
8. Can I use this tool for free?
Yes, this online JSON formatter and validator is completely free to use.
9. Does this tool support large JSON files?
For very large files, browser performance may vary. For huge files, consider using a desktop editor.
10. Can I use this on mobile?
Yes, the tool is mobile-friendly and works in any modern browser.