Practise copying from ready-made word lists or upload your own. Filter the word lists to focus on your problem characters.
Save all the settings for this page in a file, or Load some settings from a file (overwriting your current choices). Share Settings generates a link to bookmark your settings or share with someone else. The Reset Settings button changes everything in this page to its default value.
There are many keyboard shortcuts which can also access additional functions. Press ? to list them.
This tool works in most browsers: please see the FAQ if you are having problems.
Glenn (W4YES) has provided a video tutorial (warning: it is slightly out of date).
Many kind people have sent me bug reports and ideas for features for this page: thank you to all of them. Special thanks go to Glenn (W4YES) of CW Innovations and Tom (W0FN) for their help. Various features have been copied (with permission) from the Morse Code Ninja materials, and the parameters for different keys from Seiuchy. CW Academy, CW Innovations, LICW Club, and Morse Code Ninja have all provided their content for the page.