Jsonize - Online JSON Viewer and Formatter

Beautiful JSON Online Visualization Made Simple

Drop JSON files here or click to browse

Support for single or multiple JSON files

Or paste JSON directly

Jsonize: The Ultimate Online JSON Viewer & Formatter

Jsonize is a fast, modern, and beautiful online JSON viewer and formatter for developers, analysts, and anyone working with JSON data. Instantly visualize, search, minify, pretty-print, and export JSON as XML with a user-friendly interface. 100% free, no ads, no sign-up.

Key Features

Why Use Jsonize?

Frequently Asked Questions

Is my data safe?
Yes. All processing happens in your browser. Your JSON never leaves your device.
Is Jsonize really free?
Yes! Jsonize is completely free. No sign-up, no ads, no tracking.
Can I use Jsonize on my phone or tablet?
Absolutely. Jsonize is fully responsive and works great on all devices.
Can I edit or modify my JSON?
Currently, Jsonize is a viewer and formatter. Editing might come in future!
How big a file can I load?
Tested with up to 5MB files. Takes some seconds to load, but it loads.

About JSON

JSON (JavaScript Object Notation) is the world’s most popular data format for APIs, configuration files, and data exchange. Jsonize helps you make sense of complex JSON data with ease.

Get Started Now

Upload or paste your JSON above and experience the fastest, most beautiful JSON viewer on the web!

Privacy Policy

Jsonize does not collect, store, or share any user data. All JSON processing happens locally in your browser. Your files and data never leave your device. We do not use cookies, analytics, or third-party trackers. Jsonize is fully privacy-friendly and GDPR-safe by design.

Feedback & Suggestions

Have ideas, found a bug, or want to suggest improvements? We'd love to hear from you!

Your feedback helps make Jsonize better for everyone. Thank you!