Developer core ยท local browser processing
JSON Formatter
Format JSON with indentation, validation errors, object/array counts, and copyable output.
Use the tool
Ready.
How it works
This tool runs in your browser with JavaScript. Paste input, run the tool, then copy or download the result. It is designed for quick debugging and data cleanup.
Privacy
Your input is processed locally. Pawstool does not need to upload API payloads, tokens, JSON, URLs, or generated values.
Related developer tools
FAQ
Can I use this for production data?
Use it for inspection and formatting. Always verify sensitive or security-critical data in your own environment.