What Is My Browser

See your browser, screen resolution, system and enabled features. Free, nothing is sent anywhere.

🔒 100% private — processing happens in your browser. Nothing is uploaded.

How to use the what is my browser

  1. Open the page — everything is detected instantly.
  2. See your browser and version, operating system, screen resolution and window size.
  3. Copy the report to send to support or a developer.

Support teams often ask “which browser and screen are you using?” — this page answers in one click. All information is read locally by JavaScript and is never sent to our server or anyone else. The physical resolution is the CSS size multiplied by the device pixel ratio (for example a 4K screen at 150% scaling).

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