JSON Formatter
Format, minify, and validate JSON data online. Free, fast, works in your browser.
What is JSON Formatter?
JSON Formatter is a free online tool that helps you format, minify, and validate JSON data. It runs entirely in your browser — your data never leaves your device.
Features
- Format — Pretty-print JSON with proper indentation
- Minify — Compress JSON by removing whitespace
- Validate — Check if your JSON is valid and see error details
- Copy — One-click copy to clipboard
- Privacy — All processing happens client-side
Tutorial
How to Format JSON Online: Step-by-Step Tutorial
Format, validate, and minify JSON online for free. Step-by-step guide with real-world examples for APIs, configs, and debugging.