JSON Repair & Syntax Fixer

Automatically repair malformed JSON payloads, single quotes, Python dict literals, comments, and trailing commas.

Private by architecture: All processing is 100% client-side memory. Your data never leaves this browser tab.

Auto-fixes unquoted keys, trailing commas, comments, and unbalanced brackets.

Broken JSON Input

0 lines · 0 charsBroken JSON

Clean Repaired JSON

0 charsValid JSON