User Agent Finder

Display and analyze your browser's user agent string. Get detailed information about your browser, operating system, device type, and rendering engine.

🔍 Your Current User Agent

Deno/2.3.1

📊 Parsed Information

🌐 Browser: Unknown
💻 Operating System: Unknown
📱 Device Type: Desktop
⚙️ Rendering Engine: Unknown

📝 Example User Agents

Click on any example to analyze it and see how different browsers and devices present themselves.

Chrome on Windows

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Firefox on Linux

Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0

Safari on macOS

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Safari/605.1.15

Chrome on Android

Mozilla/5.0 (Linux; Android 13; SM-G998B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Mobile Safari/537.36

Safari on iPhone

Mozilla/5.0 (iPhone; CPU iPhone OS 17_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Mobile/15E148 Safari/604.1

💡 About User Agents

🔍 What is a User Agent?

A user agent string is sent by your browser to websites to identify itself. It contains information about your browser type, version, operating system, and device capabilities.

🌐 Why Do Websites Use It?

Websites use user agent strings to serve appropriate content, apply browser-specific fixes, provide mobile-optimized experiences, and gather analytics data.

🔒 Privacy Considerations

User agents can be used for fingerprinting. Some browsers allow modification or spoofing of user agent strings for privacy reasons.

🛠️ Technical Information

  • Format: User agents follow the format: Mozilla/[version] ([system info]) [platform] ([platform details]) [extensions]
  • Mozilla: Most browsers include "Mozilla" for historical compatibility reasons
  • WebKit/Blink: Modern browsers often include WebKit identifiers even when using different engines
  • Mobile Detection: Look for "Mobile" keyword to distinguish between mobile and desktop versions
  • Bot Detection: Search engine bots and crawlers have distinctive user agent patterns
  • Version Numbers: Browser versions help determine supported features and capabilities