JSON Formatter & Validator
Format, validate & beautify JSON data
How It Works
Format JSON in 4 simple steps
Paste JSON
Paste or upload your JSON data
Format
Click format to beautify your JSON
Validate
Instant syntax checking & validation
Export
Copy, download or convert to other formats
100% Private & Secure — All processing happens in your browser. Your JSON never leaves your device.
JSON Input
0 characters • 1 lines
No JSON to display
Enter valid JSON and click "Format JSON"
No valid JSON to display
Validation & Stats
Invalid JSON
Quick Actions
Pro Tip
Use "Format JSON" to beautify your code, then "Minify" to compress it for production.
Why Choose Our JSON Formatter?
Trusted by thousands of developers worldwide
100% Private & Secure
All processing happens in your browser. Your data never leaves your device.
Lightning Fast
Format and validate JSON in milliseconds.
No Registration
Use instantly without creating an account.
Multiple Formats
Convert JSON to YAML, XML, CSV and more.
Minify & Beautify
Toggle between formatted and minified views.
Works Anywhere
Use on any device - desktop, tablet, or mobile.
Powerful Features You'll Love
Everything you need to work with JSON data
Syntax Highlighting
Color-coded JSON for better readability.
Custom Indentation
Choose between 2, 4, or 8 spaces.
JSON Validation
Instant syntax checking and error detection.
Tree View
Interactive JSON explorer with expand/collapse.
Statistics
View line count, key count, size and depth.
Format & Minify
Toggle between formatted and minified views.
Trusted & Verified
Your security is our priority
Latest Articles & Guides
Tips and tutorials for working with JSON
JSON Formatter Complete Guide 2025: How to Format, Validate & Beautify JSON Like a Pro
The ultimate guide to JSON formatting, validation, and beautification in 2025. Learn everything from basic syntax to advanced techniques used by professional developers.
JSON vs XML: Ultimate Comparison Guide 2025 - Which One Should You Choose?
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JSON API Best Practices 2025: 50+ Tips for Designing World-Class REST APIs
Master JSON API design with these 50+ proven best practices. Learn about versioning, error handling, pagination, security, performance optimization, and much more.
JSON Schema Validation: Complete Guide 2025 - From Beginner to Expert
Master JSON Schema validation from basics to advanced. Learn how to define, validate, and generate JSON schemas for robust data validation in your applications.
Frequently Asked Questions
Everything you need to know about JSON formatting