JSON Repair
Automatically fix broken JSON — trailing commas, single quotes, missing commas, comments, Python-style True/False/None — then format it neatly.
How to repair JSON
- Paste the broken JSON into the left box.
- The tool fixes common mistakes and shows valid, formatted JSON on the right.
- If the damage is too severe to fix automatically, it points at the line and column so you can fix it by hand.
Frequently asked questions
Trailing commas, missing commas between fields, single quotes instead of double quotes, unquoted field names, code-style comments (// or /* */), missing closing brackets, and Python-style values like True/False/None.
If the JSON is damaged too badly (for example two separate JSON snippets pasted together), the tool can't guess what you meant. Check the reported line and column to find the problem.
No. The JSON is processed right on your device.
It's completely free, no account needed.
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