Format, validate, and prettify JSON data instantly
Format, validate, and beautify JSON data instantly. Perfect for developers working with APIs and JSON data.
Simply paste your JSON code into the input area, and our tool will automatically format it with proper indentation. You can also minify JSON, view it as a tree structure, copy, or download the result. No registration required!
JSON (JavaScript Object Notation) is a lightweight data format used for APIs and data storage. Formatting makes JSON readable by adding indentation and line breaks. Minifying removes whitespace to save space.
Yes! Our JSON formatter automatically validates your JSON and shows error messages if the syntax is incorrect. It will highlight the error location to help you fix it quickly.
You can choose indentation of 2 spaces, 4 spaces, 8 spaces, or tabs. This is useful for matching your project's coding standards or personal preference.
Tree View displays your JSON data as an expandable/collapsible tree structure. Click on keys to expand or collapse nested objects and arrays, making it easy to navigate complex JSON structures.
No! Your JSON data never leaves your device. All formatting and validation happen locally in your browser using JavaScript. This means 100% privacy and security for your sensitive data.
Yes, completely free! Guest users get 3 free uses. For unlimited access, sign up for free - no credit card required.
Switch to the "Minify" tab, and your formatted JSON will be compressed into a single line without extra spaces. This reduces file size and is ideal for API requests where bandwidth matters.