JSON Formatter and Validator - Beautify JSON Online

JSON Formatter & Minifier

Beautify syntax or minify JSON strings for faster payload processing.

Online JSON Formatter, Syntax Validator, and Code Minifier

Working with API responses or raw data dumps? Our JSON Formatter Tool cleans up raw JSON data with proper tree indentations, highlights syntax errors, and provides quick minification to reduce payload size in web applications.

About this tool

Paste raw JSON to format it with clean indentation or to check whether it is valid. Errors are reported so you can fix them fast.

How to use

Paste your JSON into the input box.
Click format or validate.
Copy the cleaned result.

FAQ

Is my JSON sent to a server?
No, it is processed locally.

Can it minify JSON?
Use the format tool to beautify; remove whitespace manually to minify.