Toolmanor

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

  1. Paste the broken JSON into the left box.
  2. The tool fixes common mistakes and shows valid, formatted JSON on the right.
  3. 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

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