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JSON Cleaner & Sanitizer

Sanitize invalid JSON by removing comments, repairing single quotes, fixing unquoted keys, and removing trailing commas.

100% Client-Side Processing
Real-Time Processing
Offline Support
Automatically fixes: comments, single-quotes, trailing-commas, and bad formatting.
Dirty JSON Input
Cleaned Output (Valid JSON)

Click "Clean & Sanitize" to repair

Frequently Asked Questions

Learn how to sanitize and repair invalid JSON structures safely.