JSON Formatter Online
Instantly format, beautify, and validate your JSON data in your browser. Secure, fast, and privacy-friendly.
JSON Formatter
Paste your JSON below and click Format to beautify and validate it instantly.
Use this free JSON Formatter to instantly format, beautify, and validate your JSON data in your browser. Paste your JSON to view it in a readable, indented format. All processing is local for maximum privacy and security. No data is sent or stored. Perfect for developers, API testers, and anyone working with JSON data.
Key Benefits
- Instant JSON formatting and validation for developers and API testers.
- All processing is local—your data never leaves your browser.
- Spot syntax errors and improve readability instantly.
- Fast, secure, and privacy-friendly—no data stored.
Frequently Asked Questions
Is my JSON data safe when using this tool?
Yes, all formatting and validation happens in your browser. No data is sent to any server or stored anywhere.
What can I use a JSON Formatter for?
Format, validate, and debug JSON for APIs, config files, logs, or any development workflow.
Related Tools
Supports all valid JSON. No data is uploaded to a server—formatting happens in your browser for privacy and speed.
Pro tip: Use this tool to quickly debug API responses, config files, or any JSON data.