JSON Formatter & Validator
Format, validate, and prettify JSON data instantly.
How to Use
- 1
Paste your JSON
Copy raw, minified, or broken JSON from your API response or config file and paste it into the input box.
- 2
Click Format
The tool instantly beautifies and validates your JSON with proper indentation and syntax highlighting.
- 3
Fix errors if any
If your JSON has syntax errors, the tool highlights the exact line and character where the issue is.
- 4
Copy the result
Use the Copy button to get the formatted JSON back into your clipboard.
Frequently Asked Questions
Paste your raw JSON into the editor and it will be formatted and validated instantly. The tool runs entirely in your browser, so your data never leaves your device.
Yes. The formatter highlights syntax errors and tells you exactly where the issue is, making it easy to fix malformed JSON quickly.
Absolutely. Everything runs client-side in your browser. No data is sent to any server, so your API keys, tokens, and private data stay private.