CalcChef
Search tools (e.g. 'calc', 'converter')... (Press '/' or 'Cmd+K')

JSON Validator & Auto-Repair

Validate JSON syntax and automatically repair common errors like trailing commas, unquoted keys, and single quotes. Essential for debugging malformed JSON.

Loading Tool...

Applications

Essential for debugging malformed JSON from APIs, config files, and data transfers. Automatically fixes common syntax errors to save development time.

Auto-Repair Features

Automatically detects and repairs: trailing commas, single quotes instead of double quotes, unquoted object keys, JavaScript-style comments, and extra whitespace issues.

Fun Fact: JSON (JavaScript Object Notation) was designed to be a subset of JavaScript, but it strictly requires double quotes for strings, unlike JavaScript which allows single quotes!

Related Tools

View all tools