Monkeytype works well for this if you tweak the defaults. Turn on capital letters, punctuation, numbers, and change the time to 60 seconds. I did this at the st

Monkeytype works well for this if you tweak the defaults. Turn on capital letters, punctuation, numbers, and change the time to 60 seconds. I did this at the start of learning a new keyboard layout and got quite comfortable with the numrow and symbols.