User Agent Parser
Instantly detect your browser, operating system, and screen resolution.
Screen Properties
User Agent String
What is a User Agent?
A User Agent is a text string sent by your browser to websites. It identifies your browser version, operating system, and device type, helping websites display content correctly for your specific setup.
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Decode the technical fingerprint of your web browser with our advanced User Agent Parser. Every time you visit a website, your browser sends a unique "User Agent" string that identifies your operating system, browser version, and device type. Our tool breaks down this complex data into easy-to-read categories, showing you exactly what information your browser shares with the world. Beyond simple identification, we provide detailed metrics on your screen resolution, pixel density, and color depth. This is an invaluable resource for developers and designers testing responsive layouts or for users troubleshooting display errors. Understand your digital footprint and ensure your device environment is optimized for a seamless browsing experience.
How to Use About User Agents
Upload
Simply visit this page. The tool automatically detects your User Agent.
Configure
View the nicely formatted cards for Browser, OS, and Device info.
Process
Check the 'Screen Properties' section for your display's technical details.
Get Result
Copy the raw User Agent string if you need to share it with support teams.
Comments & Discussion
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Browser Detection
Websites use this string to know if you are using Chrome, Firefox, Safari, or another browser.
Device Optimization
Content is often optimized for mobile or desktop based on the User Agent information.
Screen Metrics
This tool also reads your screen resolution and pixel density, which is useful for designers and developers.
About User Agents
This tool instantly decodes your browser's User Agent string. It reveals what information your browser is sharing with websites, including your exact browser version, operating system, and display capabilities.
Is About User Agents Secure?
Local Browser Processing
Your data stays with you. About User Agents never sends your files to our servers. All processing happens 100% in your browser (client-side), ensuring complete privacy.
No Logs Policy
We do not track your activity. About User Agents operates completely anonymously. Your files and data are cleared from your browser instantly after processing.
Free & Unlimited
No hidden fees or daily limits. You can use About User Agents as much as you want for free. No credit card or subscription required.
No Installation
No need to download software or plugins. About User Agents works instantly and securely right in your web browser.
Mobile Friendly
About User Agents works seamlessly on all devices. Access it from your phone, tablet, or computer and get your tasks done anywhere.
Fast Performance
Powered by optimized algorithms, About User Agents completes your tasks in seconds. Get instant results without waiting.
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