JSON Fixer & Formatter

Fix invalid JSON, add missing quotes, repair syntax errors, and format JSON beautifully

Input JSON

Formatted JSON

Features

✓ Fix missing quotes in JSON keys and values
✓ Add missing commas between properties
✓ Correct boolean values (TRUE/FALSE to true/false)
✓ Fix unclosed quotes and brackets
✓ Beautiful JSON formatting
✓ Free to use

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About JSON Fixer

JSON Fixer is a free online tool that helps you fix and format invalid JSON. It automatically repairs common JSON syntax errors such as missing quotes, commas, and incorrect boolean values. Simply paste your JSON, click "Fix & Format", and get properly formatted JSON instantly.

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