Developer

JSON Formatter

Beautify, minify & validate JSON data instantly

Input

Output

Formatted output appears here...

About JSON Formatter

The JSON Formatter beautifies, minifies, and validates JSON data instantly. It runs entirely in your browser with no data sent to any server. This free tool is indispensable for developers working with APIs, configuration files, or any JSON data that needs to be readable or compact.

Frequently Asked Questions

How do I format JSON data?

Paste your JSON into the editor and click the format button to beautify it with proper indentation, or click minify to compress it into a single line. The tool also validates your JSON and highlights any syntax errors.

Is my JSON data stored or sent anywhere?

No, all formatting and validation happens in your browser. Your JSON data is never transmitted to any server. This is safe for working with sensitive API responses, configuration files, or any private data.

Can the tool validate my JSON for errors?

Yes, the tool automatically validates your JSON and highlights syntax errors with helpful error messages indicating what went wrong and where. This makes it easy to quickly find and fix issues like missing commas, mismatched brackets, or invalid values.