inputprobe

inputprobe is a set of measurement tools for input devices: mice, keyboards, and the sensitivity numbers that sit between them and whatever you are using them for. Every tool runs in your browser, needs no account, and uploads nothing. Point a browser at a page and the instrument is already running. The site exists because most online input testers measure the wrong thing and then state the result with total confidence. The common failure is counting one movement per drawn frame, which measures your monitor's refresh rate rather than your mouse: a 1000 Hz mouse reads as 60 on a 60 Hz display. Every tool here reads the individual device reports inside each frame's batch instead, with their own timestamps. The methodology page explains how each measurement works, in enough detail to be checked rather than believed.

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