Tools
Four small browser tools, free, no download, no account. No cookies and nothing runs outside your browser.
Aim Trainer
Click moving targets for 20 seconds and see your hit rate.
Reaction Time Test
Five rounds, one signal each: find your average reaction time in milliseconds.
CPS Test
Click as fast as you can for 5 seconds and measure your clicks per second.
What to Play Next
Three questions about mood and time, one trainer as the answer.