Webtility
Back to Dashboard

JSON Repair

Repair malformed JSON generated by logs, LLMs, and copied snippets.

Repair malformed JSON

About this tool

Trailing commas, quote mismatches, and truncation break parsers during integrations.

How to use

  1. Paste broken JSON from API logs or model output.
  2. Apply structural repair and run validation.
  3. Copy clean JSON into tests, schemas, or production payloads.

FAQ

Can this fix single quotes and trailing commas?

Yes, common syntax issues are normalized to strict JSON grammar.

Will it guess missing object keys?

No, unknown data cannot be inferred safely without source context.

Is this suitable for AI response cleanup?

Yes, it is particularly useful for enforcing schema-ready outputs.