ScreenResolutionTest is the ultimate tool for checking and testing the screen resolution of your display device. Whether you are using a smartphone, desktop monitor, laptop or tablet, you can easily find out the width and height of your screen in pixels, as well as the Device Pixel Ratio of your display device.
ScreenResolutionTest works right inside your browser and does not require any installation or download. You can use it from any device and any location, as long as you have an internet connection. ScreenResolutionTest is fast, accurate and reliable, and it will show you the current screen resolution, DPR and color depth of your device in seconds.