User Agent Detector - Detect Browser User Agent
Detect and display your browser's user agent string and parsed information. Free online user agent detector.
How This Tool Works
This tool displays your browser's user agent string and parses it to identify your browser, version, operating system, and device type. The user agent is a text string that browsers send to websites to identify themselves. This information is read directly from your browser and is not stored or logged.
Why Use This Tool
- ✓View your browser user agent string
- ✓Identify browser and version
- ✓Detect operating system
- ✓Check device type
- ✓Useful for web development
- ✓Test browser detection
Frequently Asked Questions
What is a user agent?
A user agent is a string of text that your browser sends to websites to identify itself. It includes information about your browser, version, operating system, and device type.
Why do websites need user agent information?
Websites use user agent information to optimize content for different browsers and devices, provide appropriate downloads, and gather analytics about their visitors.
Can I change my user agent?
Yes, most browsers allow you to change your user agent through developer tools or extensions. This is sometimes used for testing or privacy purposes.
Is user agent detection reliable?
User agent detection is not 100% reliable as users can modify their user agent string. Modern web development often uses feature detection instead of user agent detection.
What information does my user agent reveal?
Your user agent reveals your browser type and version, operating system, and device type. It doesn't reveal your IP address, location, or personal information.