Free tech tools
Quick diagnostics that run entirely in your browser. Nothing to install, no sign-up, and nothing you do here leaves your machine.
Click Speed Test
Test how many clicks per second (CPS) you can hit. Pick a duration, click as fast as you can, and see your CPS score, rank, and personal best.
Open tool →Keyboard Tester
Press each key and watch it light up. A free online keyboard test to find dead, stuck, or unresponsive keys on a laptop or external keyboard.
Open tool →Dead Pixel Test
Run a full-screen colour cycle to spot dead, stuck, or hot pixels on a laptop, monitor, or phone. Free, works in the browser, nothing to install.
Open tool →RAM Upgrade Checker
Find out whether your laptop's memory can be upgraded, how many slots it has, and the maximum RAM it supports. Free, brand-neutral, no download.
Open tool →SSD Upgrade Checker
Find out whether your laptop takes an NVMe M.2 SSD or SATA storage, based on thousands of real hardware reports. Free, brand-neutral, no download.
Open tool →Battery Replacement Checker
Find the exact replacement battery part number for your laptop, based on thousands of real hardware reports. Free, brand-neutral, no download.
Open tool →