LCWO is unclaimed —

LCWO

A free web app for learning Morse code!·lcwo.net

LCWO (Learn CW Online) is a web-based application for learning and practicing Morse telegraphy (CW) entirely in a browser, with no software installation required. It offers a Koch Method CW course, speed practice modes (code groups, plain text, callsigns, word training), downloadable MP3 practice files, a text-to-CW converter, highscores, forums and user groups. Personal settings and statistics are stored online and accessible from any internet-connected computer. It is run as a non-commercial project and is free to use.

What it's for

Learn Morse code using the Koch methodPractice CW speed with code groups, plain text, callsigns, and wordsConvert text to Morse code MP3/OGG filesTrack personal practice progress with statisticsCompare results with other users via highscoresDiscuss CW learning with other users via forum and user groups

Features 18

Downloadable MP3 practice files
Error highlighting in callsign and word training
Forum for user discussion and feedback
Highscores comparison with other users
Koch Method CW Course
Permanent login via cookies
Play/pause control via double-tap Ctrl in code groups
Practice activity heatmap on profile
Speed Practice: Callsign Training
Speed Practice: Code Groups
Speed Practice: Plain Text Training
Speed Practice: Word Training
Text-to-CW conversion (no login required)
Text2cw history function
Transmit training keying via Ctrl
User groups
Volume control (QRP/QRO) in Transmit practice
WAE QTC training

At a glance

free tieropen source

TypeWeb app

DeploymentCloud

PlatformsWeb

LanguagesBulgarian, Portuguese (Brazilian), Bosnian, Catalan, Chinese (Traditional), Czech, Danish, German, English, Spanish, Finnish, French, Greek, Croatian, Hungarian, Italian, Japanese, Korean, Malay, Dutch, Norwegian, Polish, Portuguese, Romanian, Russian, Sinhala, Slovak, Slovenian, Serbian, Swedish, Thai, Turkish, Ukrainian, Chinese (Simplified)

Resources

Pricing

LCWO is entirely free to use; the site accepts voluntary donations to cover running costs.

Free AccountFree

Using LCWO is and will always remain free of cost; donations accepted to help cover running costs.