JSON Formatter & Beautifier
Format, beautify, and minify JSON with syntax validation.
What is this tool?
A JSON Formatter takes raw JSON and reformats it with consistent indentation so it is easy to read, or minifies it for compact storage.
How does it work?
The tool parses your JSON to verify it is valid, then re-serializes it with the indentation you choose.
How to use JSON Formatter
- Paste your JSON.
- Choose beautify or minify.
- Copy the formatted result.
Common Use Cases
- Debugging API responses
- Cleaning up config files
- Preparing sample data
Pro Tips
- If you get an error, check for trailing commas and unquoted keys.
Frequently Asked Questions
Does it validate the JSON?
Yes. Invalid JSON shows a clear error message with the reason.
Can I minify JSON too?
Yes, switch to minify mode to remove all whitespace.