How do I format JSON code?

Simply paste your raw JSON string into the input box and click the 'Beautify' button. The tool will automatically format and validate the code.

Is this JSON tool free?

Yes, this tool is 100% free for unlimited use on both mobile and desktop.

JSON Master PRO

Drop JSON File Here

INPUT 0 KB

OUTPUT

📋 Copy 🗑 Clear

Message

Ultimate JSON Formatter & Validator Tool

Welcome to the most advanced Online JSON Formatter and Validator. If you are a developer, data analyst, or student, you know how difficult it is to read raw, minified JSON data. Our tool is designed to help you Format (Beautify), Minify, and Debug your code instantly with a clean user interface.

🚀 Quick Summary: This tool runs entirely in your browser. It is fast, secure, and supports large files. No data is sent to the server.

Technical Specifications (App Details)

Tool Name	JSON Master Pro
Version	v2.5.0 (Latest Updated)
License	Free (Open Source)
Platform	Web, Android, iOS, Windows, Mac
Primary Features	Beautify, Minify, Error Validation, Tree View
Developer	My Music App Team

Key Features of Our JSON Tool

Why should you use this tool instead of others? Here are the standout features:

Instant Error Detection: If you miss a comma or bracket, the tool highlights the exact line number of the error.
Smart Tree View: Navigate through complex data easily by collapsing and expanding objects and arrays.
Minify JSON: Compress your code to reduce file size for API usage.
Dark Mode Support: Eye-friendly dark theme for long coding sessions.
One-Click Copy: Copy the formatted code or download it as a .json file instantly.

How to Use This Tool?

Using this JSON Formatter is extremely simple. Follow these steps:

Paste Code: Copy your raw JSON data and paste it into the left "Input" box.
Upload File: Alternatively, you can drag and drop a .json file directly into the editor.
Click Beautify: Press the "Beautify" button to format the messy code into a readable structure.
Validate: If there are red error marks, fix them using the hints provided.
Download: Once satisfied, click "Copy" or "Download" to save your work.

Frequently Asked Questions (FAQ)

Q: Is my data safe using this tool?
A: Yes! We use client-side processing. Your JSON data never leaves your browser and is never stored on our servers.

Q: Does it work on Mobile?
A: Absolutely. This tool is fully responsive and optimized for mobile phones and tablets.

Q: Can I format large JSON files?
A: Yes, our optimized engine can handle large datasets without lagging.