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Tests

Tests

All tests

Every check runs directly in this browser. Filter by category or open a test.

01 / Display Viewport Checker Read your viewport and screen sizes in CSS pixels, plus the device pixel ratio. 02 / Camera & audio Microphone Test Check whether your browser receives microphone input. Audio is processed locally. Asks for device permission before testing. 03 / Display Screen Resolution Check the screen size and device pixel ratio reported by this browser. 04 / Display Refresh Rate Test Estimate how often the browser draws a frame while this tab is visible. 05 / Browser Browser Checker See the reported browser name, version, language and common feature support on one page. 06 / Browser Browser Feature Test Check which web features this page can observe in your current browser. 07 / Camera & audio Webcam Test Start a local preview and check the image from your browser’s selected camera. Asks for device permission before testing. 08 / Input Keyboard Test Focus the test area, then press and release keys to see what reaches the page. 09 / Input Mouse Test Move, click or scroll inside the test area to see the events received by this page. 10 / Display Dead Pixel Test Inspect solid colors, grayscale, gradients and contrast patterns on your screen. 11 / Browser Requirements Checker Check your browser against a basic desktop preset or set your own viewport and feature requirements. 12 / Camera & audio Video Call Check Check your camera, microphone, speakers and browser before a video call. Asks for device permission before testing. 13 / Camera & audio Speaker & Headphone Test Play a short test sound and check whether you can hear it on your speakers or headphones. 14 / Input Touchscreen Test Draw across a touch test area and count the touch points your browser receives.

All tests About Privacy

Measurements stay in this browser. No account. No installation. You control device permissions.