Welcome to LCWO.net - Learn Morse Code (CW) Online!

At LCWO you can learn Morse telegraphy (CW) online in your browser. You don't need to install a program on your computer, and you always have your personal settings available, from any computer on the globe with an internet connection. You can also easily track your progress by means of different statistical functions.

Sign up for a free account (or use username "test", password "test" to play around) and start learning or improving your CW today

Features

- Koch Method CW Course
- Highscores — compare your results with others
- Speed Practice (Code Groups, Plain Text Training, Callsign Training, Word training)
- MP3 practice files (Download)
- Convert text to CW (does not require a login)
- Forum for user discussions and feedback
- User groups
- WAE QTC training
- more to come soon...

News

2023-08-07 - Improvements in Word training (replaying words) and QTC training (just in time for WAE CW!).

2023-01-23 - Over the last months, plain text training was updated with texts in Czech, Japanese and Polish!

2022-01-05 - German word training now contains 30.000 words; thanks to Wolf, DK1ET!

2021-03-18 - Note: LCWO will be down for maintenance starting around 00:00 UTC on March 19th 2021 for a few hours.

2020-09-01 - A "Dark Mode" is now available for people who prefer white font on a black background (in your account settings).

2020-08-05 - LCWO is now available in Korean language (한국어) - tnx Joe, HL5KY!

2020-07-26 - 17.000 words are available now for word training in German. Carefully curated by Wolf, DK1ET. Thanks!

2020-06-24 - New audio player (based on jscwlib) rolled out as the default. Sound is generated locally in the browser, no more delays!

2020-04-24 - LCWO user groups can now put a pin on the map so locals can find them! https://lcwo.net/usergroups/map

2020-04-17 - LCWO usage statistics of the last 12 years: https://lcwo.net/stats

ChangeLog — Please don't hesitate to report any problems, criticisms and suggestions to: Fabian Kurz.