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Powerful browser-based utilities for images, PDFs, text, and developers. 100% private — your data never leaves your device.
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We built UtilOS because we were tired of tools that compromise your privacy. Here's what makes us different.
All processing happens in your browser. No server uploads, no cloud processing. Your files never leave your device.
We don't collect, store, or have access to your data. No cookies tracking your usage. True privacy by design.
Instant results with no upload/download delays. Process files in milliseconds using modern browser APIs.
No data transmission means zero risk of interception. Your sensitive documents stay completely secure.
No hidden charges, no premium tiers, no subscriptions. Every tool is completely free with no limitations.
Desktop, tablet, or mobile - works on any device with a modern browser. No installation required.
See how UtilOS compares to other online tools when it comes to protecting your data.
From image editing to developer utilities, we've got you covered.
5 Tools
4 Tools
9 Tools
11 Tools
Get started in seconds. No sign up, no hassle.
Browse 29+ tools organized by category or use the search to find exactly what you need.
Drag & drop files or paste text. Everything stays in your browser - no uploads to servers.
Process your data in milliseconds. Download results or copy to clipboard with one click.
Join thousands of developers and designers who trust UtilOS for their daily tasks.
“Finally, a tool suite that respects privacy! I use UtilOS daily for image compression and JSON formatting. The fact that nothing leaves my browser is a game-changer.”
“The image tools are incredible. I've replaced 3 different apps with UtilOS. Fast, free, and works offline. What more could you ask for?”
“As someone who deals with sensitive data, browser-based processing is essential. UtilOS is now my go-to recommendation for teams handling confidential files.”
“The JWT decoder and regex tester save me hours every week. Love that I can access everything with keyboard shortcuts. Super productive!”
Desktop, tablet, or mobile — UtilOS adapts perfectly to your screen.
Tips, tutorials, and updates to help you get the most out of UtilOS
We're excited to announce Split View - a powerful new feature that lets you use two tools side by side for maximum productivity.
Learn how to use UtilOS effectively with this comprehensive beginner's guide. Discover all the tools, shortcuts, and features that make your workflow faster.
Become a JSON formatting pro with these advanced tips. Learn about validation, minification, and working with large JSON files.
Join thousands of users who trust UtilOS for their daily productivity. No sign up required — just click and start using.