JSON Formatter Online

Free online tool to format, validate, beautify, and analyze JSON data. Works as both JSON viewer and editor.

Free JSON Formatter & Validator

Beautify Minify Validate JSON Data

Paste your JSON data below to format, validate, and analyze it with our powerful JSON tool

JSON Input
Formatted Output
Formatted JSON will appear here
Tree View
Tree visualization will appear here

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Advanced JSON Formatter Features

Everything you need to work with JSON data

JSON Beautifier

Format messy JSON data into human-readable form with proper indentation and line breaks

JSON Minifier

Compress JSON by removing all unnecessary whitespace to reduce file size

JSON Validator

Check if your JSON is valid and get detailed error messages for debugging

Tree Viewer

Visualize JSON structure in an expandable tree format for better understanding

Copy & Download

Easily copy formatted JSON to clipboard or download as a file

Chrome Extension

Install our JSON formatter as a Chrome extension for easy access

How to Use the JSON Formatter

Simple steps to format and validate your JSON data

1
Paste JSON

Copy and paste your JSON data into the input area or load a sample

2
Format/Validate

Click "Format JSON" to beautify or "Validate" to check for errors

3
View & Export

View formatted output, tree structure, and copy/download results