JSON Formatter
Format, validate, and beautify JSON data. Features include custom indentation, key sorting, and error detection.
About JSON Formatter & Beautifier
Large, unformatted JSON files are notoriously difficult to read and debug. Our JSON Formatter & Beautifier is designed to transform messy payloads into clean, human-readable code in milliseconds. Whether you're debugging an API response, preparing documentation, or cleaning up a config file, this tool provides the precision you need with zero data leaving your browser.
Key Features
- Real-time JSON validation with line-number error reporting
- Customizable indentation (2, 4, or 8 spaces) to match your team's style
- Alphabetical key sorting to easily compare different JSON objects
- One-click minification for production deployment and payload reduction
- Safe browser-side processing—your sensitive data never touches our servers
Why Use This Tool?
- •Save time debugging complex nested API responses
- •Improve code readability for team reviews and documentation
- •Reduce file sizes significantly using the minify feature
- •Maintain privacy by formatting local configuration files securely
How to Use JSON Formatter & Beautifier
01
Paste your raw or minified JSON string into the 'Input' text area.
02
Optionally select your indent size and toggle 'Sort Keys' if needed.
03
Click the 'Format' button to instantly beautify your code.
04
Review any validation errors or download the result as a .json file.