Keyboard & mouse tests
Check your inputs. Understand what responds.
Free, with no download or account. Your input observations stay in this page.
What would you like to check?
- Keyboard testCheck a key, a hold or a combination, then review your observations.International layouts · Windows · Mac · ChromeOSTest keyboard
- Mouse testCheck buttons, held inputs and changes in scroll direction.Mouse or trackpad · Your chosen test setupTest mouse
- Unwanted double-clicksMake single clicks and compare received intervals in a test series.Mouse · Exploratory threshold and comparable seriesCheck clicks
- CPS testMeasure received presses in a timed round and review your rhythm.Mouse or single-finger touch · 1 to 60 secondsMeasure my pace
Start with the symptom.
A missing key, a repeated click or a second-hand purchase: follow one check at a time. The guides explain when to use the test and what to compare next.
A response is an observation.
These tools show inputs received by your browser. They cannot certify hardware: settings, shortcuts, software and the connection can affect what arrives.