What kinds of problems can it fix?

Single quotes, unquoted keys, trailing commas, comments, Python-style None/True/False, and some truncation.

JSON Repair

Turn broken or relaxed JSON into valid JSON. We fix single quotes, unquoted keys, trailing commas, comments, and more.

Runs entirely in your browser — your data never leaves your device.

What kinds of problems can it fix?: Single quotes, unquoted keys, trailing commas, comments, Python-style None/True/False, and some truncation.