JSON Formatter
Format, validate and beautify JSON data online. Minify or pretty-print JSON with syntax highlighting. Free JSON formatter and validator.
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Free Online JSON Formatter and Validator
Format, beautify, validate and minify JSON data instantly in your browser. Our JSON formatter supports custom indentation (2 spaces, 4 spaces, or tabs) and provides clear error messages for invalid JSON.
Features
- Format - Pretty-print JSON with proper indentation
- Minify - Compress JSON by removing whitespace
- Validate - Check if your JSON is valid with detailed error messages
- Copy - One-click copy to clipboard
When to Use
Use this tool when working with API responses, configuration files, database exports, or any JSON data that needs to be readable or compressed.