Free Online JSON Formatter & Validator - Beautify & Debug JSON
Format, validate, and beautify JSON with syntax highlighting. Debug API responses, fix errors, and ensure RFC 8259 compliance.
đ Input JSON
Validation Error
Formatted JSON
Formatted JSON will appear here
Formatting JSON...
Statistics
âī¸ Settings
đĄ Quick Examples
đ JSON Syntax
Tips
- Paste minified JSON to beautify
- Check error line numbers
- Download formatted output
âšī¸ How It Works
1. Paste JSON
Enter your JSON data
2. Validate
Check for syntax errors
3. Format
Beautify with indentation
4. Download
Copy or save the result
đ¯ Features
đĄ Pro Tip
Pro Tip: When debugging API responses, paste the raw JSON here to instantly see the structure. You can also use this tool to validate JSON in Laravel config files or validate nested objects in your Vue.js or React state management.
About JSON Formatter and Validator
Built to comply with RFC 8259 (The JavaScript Object Notation Data Interchange Format), our validator catches common errors like trailing commas, missing quotes, and incorrect nesting. The beautifier transforms compact, unreadable JSON into clean, indented code that's easy to read and debug.
Perfect for working with REST APIs, configuration files, database exports, and any JSON data. Supports nested objects, arrays, and all JSON data types including strings, numbers, booleans, null, objects, and arrays.
Key Features
Easy to Use
Simple and intuitive interface
Instant Results
Get results immediately
Privacy Focused
Your data stays secure
Mobile Friendly
Works on all devices
100% Free
No payment required
Unlimited Usage
Use as many times as needed
How to Use JSON Formatter and Validator
- Input Data: Enter or upload your data
- Configure: Set your preferred options
- Process: Click process to get results
- Download: Download or copy your results
Common Use Cases
Education
Perfect for students and researchers
Quick Tasks
Fast solutions for everyday needs
Personal Projects
Use for personal tasks and projects
Professional Work
Ideal for business and professional use
Frequently Asked Questions
Is JSON Formatter and Validator free to use?
Yes! Our JSON Formatter and Validator is completely free with no hidden fees or registration required.
Do I need to create an account?
No account needed. Start using the tool immediately without any signup process.
Is my data safe?
Yes, all processing happens in your browser. Your data never leaves your device.
Can I use this on mobile?
Yes, JSON Formatter and Validator works perfectly on smartphones, tablets, and desktop computers.
Are there any limitations?
No strict limitations. You can use the tool as many times as you need.
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