JSON Formatter & Validator - Online JSON Beautifier

Free online JSON Formatter to beautify, minify, and validate JSON data. A secure, browser-based tool for developers to clean and debug JSON instantly.

About this tool

This Online JSON Formatter helps you to clean, format and validate your JSON data. It works 100% locally in your browser, meaning your sensitive data is never sent to any server. Use it to beautify messy JSON, minify code for production, or catch syntax errors instantly.