Broken JSON is one of the most frustrating issues developers face. Whether you're working with APIs, configuration files, or data storage, malformed JSON can bring your application to a halt.
In this beginner-friendly guide, we'll show you how to fix broken JSON online step by step, using our free JSON Fixer tool.
Step 1: Identify the Error
The first step is to understand what error you're seeing. Common JSON errors include:
- Unexpected end of JSON input
- Unexpected token } in JSON
- Expected ',' or } after property value
- Invalid character at position 0
Step 2: Use Our Free JSON Fixer
💡 Quick Fix:
- Open our JSON Fixer tool
- Paste your broken JSON
- Click "Fix JSON" - it automatically detects and repairs errors
- Copy the fixed JSON
Step 3: Common Fixes
Remove Trailing Commas
JSON doesn't allow commas after the last item in objects or arrays.
Add Missing Quotes
All keys and string values must be wrapped in double quotes.
Close All Braces and Brackets
Every opening brace or bracket needs a matching closing one.
Fix Broken JSON Instantly
Our free JSON Fixer automatically detects and fixes all common JSON errors. No signup required.