Free tools Everything JSON

Repair JSON that will not parse

Paste almost-JSON. The common breakages are fixed one at a time, each change is listed, and the output is re-parsed to prove it is valid now.

In your browser nothing you paste is uploaded

This fixes syntax, not meaning. It will not invent a missing value or guess where a brace belongs.

Sentrint reads a whole repository and reports what an attacker would find first, in plain English, with a fix you can paste back into the tool that built the app.

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