Developer Utilities

JSON Formatter & Auto-Fixer

Beautify, validate, minify, and automatically repair broken JSON (quotes, keys, trailing commas, Python primitives).

Indent:
Paste JSON, click 'Auto-Fix JSON', or test with a sample.
Raw JSON Input0 characters
Formatted / Fixed JSON
0 characters

How to use this tool?

1

Paste or type your JSON code into the left editor box.

2

If your JSON contains syntax errors (such as single quotes, unquoted keys, or trailing commas), click 'Auto-Fix JSON' to repair it automatically.

3

Use 'Beautify' to format with indentation or 'Minify' for compressed single-line output.

4

Click 'Copy' or 'Save' to immediately use your clean JSON document.

Frequently Asked Questions

Something not working as expected? Report an Issue