What is My User Agent?
Detect and analyze your browser's user agent string with detailed browser, OS, and device information.
Your User Agent String
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Browser
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Operating System
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Unknown version
Device Type
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Rendering Engine
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What is a User Agent?
A User Agent is a string that your web browser sends to every website you visit. It contains information about your browser, operating system, and device. This helps websites optimize their content for your specific setup.
Why is it useful?
- •Website developers use it to ensure compatibility
- •Web servers can deliver optimized content based on your device
- •Analytics tools track browser and device usage
- •Security systems can identify suspicious activities
Privacy Note: Your user agent string is visible to all websites you visit. While it doesn't directly identify you, it can be used as part of browser fingerprinting. Consider using privacy-focused browsers or extensions if this concerns you.
About This Tool
This free user agent detector instantly analyzes and displays comprehensive information about your browser, device, and system configuration. Whether you're a developer testing cross-browser compatibility, a security professional analyzing browser fingerprints, or simply curious about what information your browser reveals, this tool provides detailed insights.
Key Features
- ✓Instant detection as you visit the page
- ✓Comprehensive parsing of browser details
- ✓Screen resolution and viewport information
- ✓One-click copy to clipboard
- ✓Privacy-focused (all analysis in-browser)
Information Displayed
- •Browser name and version
- •Operating system and version
- •Device type (desktop/mobile/tablet)
- •Rendering engine details
- •Platform and locale settings