What Is My Browser?
See your browser and version, operating system, screen size, user agent and the features your browser supports — and copy a full report for tech support.
You are using
Detecting…
Browser
Device & screen
Settings
Supported features
User agent string
Everything is detected in your browser. Nothing is sent to our server.
How to Check Your Browser and Version
Everything is detected the moment the page opens.
Open This Page
Your browser, version and operating system are shown at the top straight away.
Look at the Details
See your screen and window size, settings, user agent and supported features.
Share With Support
Click Copy full report or download it as a .txt file to send to a help desk.
Shows
Browser & version
Also
OS, screen, device
Checks
15+ browser features
Privacy
Runs in your browser
Works on
Phone & computer
Price
100% free
How to Update Your Browser
Keeping your browser updated keeps you safe and makes websites work properly.
| Browser | How to update |
|---|---|
| Google Chrome | Menu ⋮ → Help → About Google Chrome (updates automatically) |
| Microsoft Edge | Menu … → Help and feedback → About Microsoft Edge |
| Firefox | Menu ☰ → Help → About Firefox |
| Safari (Mac) | System Settings → General → Software Update |
| Safari (iPhone/iPad) | Settings → General → Software Update |
| Samsung Internet / Chrome on Android | Google Play Store or Galaxy Store → Updates |
What Can You Use It For?
Popular ways people use What Is My Browser.
Tech Support
Send your exact browser, OS and screen details to a help desk in one click.
Bug Reports
Developers and testers can attach a full environment report.
Is It Up to Date?
Check your version, then compare it with the latest release.
Screen Size
Know your exact screen and window size for designs and screenshots.
Tips for the Best Result
- If a website looks broken, update your browser first — it fixes most problems.
- The window size is the space the website gets; it's smaller than the screen size.
- A pixel ratio of 2× or 3× means a high-resolution (Retina) display.
- Want your network details too? See What Is My IP.
Frequently Asked Questions
Quick answers about What Is My Browser.
It's shown at the top of this page, with the version number and your operating system.
The full version number is in the Browser section. You can also open your browser's menu → Help → About.
A short text your browser sends to every website, describing the browser, version and operating system.
Some browsers don't report the exact Windows version. Chrome and Edge do, so with them you'll see Windows 10 or 11 exactly.
Screen size is your whole display. Window size is the visible area of the browser, which websites use for their layout.
No. Everything is detected in your browser and nothing is sent to our server.
Click Copy full report and paste it into your email or chat, or download it as a .txt file.
Yes — 100% free with no sign-up.
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