What Is My Browser?

Detect your browser name, version, OS, and device type

Detecting browser info...

Why Your Browser Matters

Your web browser is the most-used application on your device. It affects your security, privacy, speed, and which web features you can use. Outdated browsers miss critical security patches and may not support modern web technologies like WebAuthn (passwordless login), WebGPU, or advanced CSS features that websites increasingly rely on.

Knowing your exact browser version helps when troubleshooting website issues, reporting bugs, or checking compatibility. The information above shows what websites see when you visit them — your browser name, version, operating system, and device type — all parsed from your user agent string.

How to Update Your Browser

Chrome: Menu (⋮) → Help → About Google Chrome. It updates automatically but this page forces a check. Firefox: Menu (☰) → Help → About Firefox. Safari: Updates through macOS System Settings → Software Update. Edge: Menu (⋯) → Help and feedback → About Microsoft Edge. Most browsers auto-update, but checking manually ensures you have the latest version immediately.

Browser updates aren't just about new features — they patch security vulnerabilities that attackers actively exploit. Running an outdated browser is one of the easiest ways to get compromised. Enable auto-updates and restart your browser when prompted.

Browser Comparison

Chrome dominates with ~65% market share. Best compatibility, largest extension ecosystem, tight Google integration. Uses more RAM than competitors and shares browsing data with Google. Firefox is the best choice for privacy — open-source, blocks trackers by default, and isn't controlled by an advertising company. Safari is the fastest browser on macOS with excellent battery efficiency and strong privacy features including Intelligent Tracking Prevention. Edge is built on Chromium (same engine as Chrome) with Microsoft integrations and a vertical tab feature. Brave blocks ads and trackers by default with minimal performance impact.

Check your installed browser extensions and test if your ad blocker is working to ensure your browser is configured for both privacy and performance.

Frequently Asked Questions

How do I check what browser I am using?
This tool automatically detects your browser name, version, operating system, and device type using the information your browser shares with websites (the user agent string). Just visit this page and the results appear instantly.
Why does it matter which browser I use?
Different browsers support different web features, have varying levels of security, and perform differently. Knowing your browser and version helps when troubleshooting website issues or checking if you need to update.
What is a user agent string?
A user agent string is a text identifier your browser sends to every website you visit. It contains your browser name, version, operating system, and sometimes device info. Websites use it to serve compatible content.
Is Chrome the same as Chromium?
Chrome is built on the open-source Chromium project but adds Google-specific features like sync, automatic updates, and some proprietary codecs. Many other browsers (Edge, Brave, Opera) are also based on Chromium.
How do I update my browser?
Most modern browsers update automatically. You can manually check by going to your browser's settings or about page. Keeping your browser updated is important for security patches and new feature support.

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