Online JSON Formatter & Validator

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.

Key Features

✓Beautify: Proper indentation (2 or 4 spaces) makes complex JSON structures readable.
✓Minify: Remove all spaces and line breaks to compress the JSON for transmission.
✓Validate: Instantly check if your JSON is valid and see exactly where the syntax error is.

Common JSON Errors

Missing Double Quotes

Unlike JavaScript objects, JSON keys must be double-quoted.

Trailing Commas

Trailing commas at the end of properties and arrays are not allowed in standard JSON.

Use JSON Beautifier in your browser

Format, validate, and minify your JSON data with our free online JSON beautifier. An essential tool for developers working with APIs to ensure clean, readable, and valid data. It runs directly in your browser, so you can start straight away without creating an account or installing anything.

Simple to start

Open the workspace above, choose your options, and get the result when you need it.

Made for any screen

The controls are designed to stay usable on phones, tablets, and desktops.