JSON

JSON Repair

Real-world JSON is often almost valid: copied from logs, generated by AI, or pasted from configuration snippets. JSON Repair applies safe local cleanups, shows what changed and leaves hard cases for manual review.

broken.jsonish
repaired.json
repair-report.md
runtime

Browser-local execution

Inputs stay inside the current tab unless you copy, download or explicitly export.

memory

Session handoff

Magic Paste can pass input to a target tool through sessionStorage, never through the URL.

control

User-owned state

Favorites, recent tools and workflow history are local browser data you can clear from the browser.

smart handoff graph

Suggested next moves

session handoff ready
/json
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sponsor

Fixed native slots for developer products. No third-party tracking, no popups, no layout shift.

Sponsor this tool
01

How to use

  1. 01Paste broken or JSON-like text into the left editor.
  2. 02Review repaired JSON and the repair report.
  3. 03Copy the result or continue editing when manual review is needed.
02

FAQ

Can it repair every invalid JSON document?
No. It focuses on common, explainable repairs and shows parse errors for ambiguous cases.
Is my data uploaded?
No. Repair and parsing happen in browser memory only.
03

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