Free mouse & keyboard tools
Test and measure the numbers that matter — DPI, eDPI, cm/360, click speed, polling rate, ghosting and more. Everything runs in your browser, free and with no account.
Mouse tools
Test your mouse
Mouse DPI & eDPI Calculator
Work out your effective DPI (eDPI) and cm/360 so your aim stays consistent across every game.
Open tool → ⚡CPS / Click Speed Test
Measure how many clicks per second you can hit, and see how your clicking style compares.
Open tool → 📡Mouse Polling Rate Test
Check the real, measured polling rate of your mouse in Hz — not just what the box claims.
Open tool → 🎯Mouse Accuracy Test
Test your tracking and flick accuracy with a quick, repeatable aim drill.
Open tool →Keyboard tools
Test your keyboard
Keyboard Polling Rate Test
Measure your keyboard’s real polling rate and key-to-key latency.
Open tool → 👻Keyboard Ghosting & Rollover Test
Find out how many keys your board registers at once (NKRO) and spot any ghosting.
Open tool → ⌨️Keyboard Actuation Calculator
Compare switch actuation and travel to understand how a board will feel to type and game on.
Open tool → 🔎Keyboard Inspector
Inspect key events live to debug remaps, macros and stuck keys.
Open tool →