Yes. Toggle the "Minify" option to compress JSON by removing all whitespace. Useful for reducing payload size in APIs.

What if my JSON is invalid?

DevDash shows the exact error message and approximate location of the syntax error to help you fix it quickly.

Can I change the indentation?

Yes. Choose between 2 spaces, 4 spaces, or tab indentation to match your project style.

JSON Formatter

Text / Data Tools

Paste JSON to instantly format/pretty-print it with proper indentation. Validates the JSON and shows detailed error messages with line numbers for invalid input. Supports minify and custom indentation.

100% client-side processing

Input JSON

Indent:

How to Use JSON Formatter Online

Paste your data into the input field above
The result appears instantly in the output area
Click "Copy" to copy the result to your clipboard

Pretty-print and validate JSON data. Runs 100% client-side — no data is sent to any server.

Frequently Asked Questions

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