JSON Formatter & Validator

Format, beautify, and validate your JSON data instantly. Detect syntax errors, fix structure, and copy clean JSON for your projects.

📝 Paste Your JSON:

📦 Output:

How JSON Formatter & Validator Works

This tool makes it simple to check and format your JSON data. Paste your JSON and choose an action: Format, Minify, or Validate. If your JSON is invalid, you’ll instantly see an error message pinpointing the problem.

✔️ Beautify your JSON with proper indentation.
✔️ Validate and highlight JSON syntax errors.
✔️ Minify JSON for faster data transfer.
✔️ Copy your output with one click.
✔️ 100% browser-based — no server or data tracking.

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FAQs about JSON Formatter & Validator

Is JSON Formatter & Validator free?

Yes, it’s completely free and requires no registration.

Does it work offline?

Yes! It runs entirely in your browser — no internet needed after loading.

Can I use this tool on my phone?

Absolutely. It’s fully responsive and mobile-friendly.

Is my data stored or sent anywhere?

No. Your JSON is processed locally and never leaves your device.