JSON

JSON Repair

Suggest an improvement

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
use cases

Built for these jobs

  • 01

    Repair AI responses containing comments, trailing commas or single quotes.

  • 02

    Normalize Python-style booleans and bare keys copied from logs or configs.

  • 03

    Review an explicit repair report before using the corrected JSON downstream.

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
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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.
guides

Use it in a complete workflow

JSON troubleshooting7 min read

How to Repair Broken JSON from AI Output and Logs

Repair common JSON syntax problems locally, review every change, and validate the result before using it in code or automation.

Read guide →
03

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