What Is My Browser?
Instantly identify your web browser, version, and capabilities
You're Using
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📋 Browser Details
💻 System Information
✨ Browser Capabilities
🔍 User Agent String
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Check More Information
Explore your complete device and network details
About Web Browsers
A web browser is the software application you use to access websites on the internet. Popular browsers include Google Chrome, Mozilla Firefox, Safari, Microsoft Edge, and Opera. Each browser has different features, performance characteristics, and compatibility with web standards.
Why Check Your Browser?
- Verify you're using the latest version for security and features
- Troubleshoot website compatibility issues
- Determine if your browser supports specific web technologies
- Get technical support or report bugs accurately
- Check if you need to update to access certain websites
Browser Version Numbers
Browser version numbers indicate the release and update level of your browser. Modern browsers use rapid release cycles, with new versions every 4-6 weeks. Keeping your browser updated ensures you have the latest security patches, performance improvements, and feature support.
User Agent String
The user agent string is information your browser sends to websites, identifying the browser type, version, operating system, and device. Websites use this to optimize content delivery and ensure compatibility. Our tool displays your full user agent string for troubleshooting and development purposes.
Browser Capabilities
Modern browsers support various web technologies like JavaScript, cookies, local storage, WebGL, and more. Our tool checks which features your browser supports, helping you understand what web applications and features will work correctly on your system.
Rendering Engines Explained
Every browser uses a rendering engine to display web pages. Chrome, Edge, and Opera use Blink, Firefox uses Gecko, and Safari uses WebKit. The rendering engine determines how HTML, CSS, and JavaScript are processed and displayed. Differences between engines can cause websites to look or behave slightly differently across browsers, which is why developers test across multiple browsers.
How to Keep Your Browser Secure
Always keep your browser updated to the latest version to protect against known security vulnerabilities. Enable automatic updates when possible, review installed extensions regularly, and remove any you no longer use. Using a browser with built-in tracking protection and sandboxing helps protect your privacy and security while browsing.
Frequently Asked Questions
How do I check what browser I am using?
You can check your browser instantly using our free online browser detection tool, which identifies your browser name, version, rendering engine, and capabilities directly in your browser. Alternatively, most browsers show version information in Settings > About or Help > About.
Why is it important to keep my browser updated?
Keeping your browser updated is critical for security, as updates patch known vulnerabilities that hackers can exploit. Updated browsers also offer better performance, new web features, and improved compatibility with modern websites. Most browsers update automatically, but you should verify you're on the latest version regularly.
What is a user agent string?
A user agent string is a text identifier your browser sends to every website you visit. It contains information about your browser name, version, operating system, and device type. Websites use this to optimize content delivery and ensure compatibility. You can view your full user agent string using our browser detection tool above.
What is the difference between browser rendering engines like Blink, Gecko, and WebKit?
Rendering engines are the core software that processes HTML, CSS, and JavaScript to display web pages. Blink is used by Chrome, Edge, and Opera. Gecko is used by Firefox. WebKit is used by Safari. Each engine may render pages slightly differently, which is why web developers test across multiple browsers to ensure consistent appearance and behavior.