JSON Formatter & Validator Online
Validate, format, and minify your JSON data
Output will appear here...
About JSON Validator
Features
- Validate JSON syntax instantly
- Format with proper indentation
- Minify to reduce file size
- Syntax highlighting for readability
- Clear error messages with line numbers
Privacy
This tool runs entirely in your browser. Your JSON data is never sent to any server. We don't store, log, or have access to any data you process here.
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.