What is JSON?
JSON (JavaScript Object Notation) is a lightweight data interchange format. It's easy for humans to read and write, and easy for machines to parse and generate. JSON is the most common format for APIs and configuration files.
How to Use This Tool
Paste your JSON into the input box. Click "Format" to beautify it with proper indentation, or "Minify" to compress it into a single line. Click "Validate" to check if your JSON is valid and see any syntax errors.
Common JSON Errors
The most frequent JSON errors include: missing commas between items, trailing commas after the last item, using single quotes instead of double quotes, and unquoted property names. This tool will show you the exact location of any syntax errors.