tools / cw trainer

CW Trainer

Generate a random sequence, listen, decode. No account required — everything runs in your browser.

reference chart

mode

chars

space = replay · enter = next

audio

wpm
Hz
wpm

Characters at full speed with extra gaps between them. Standard method for building copying speed.

session

sec

Automatically starts the next round after each answer. Set the pause between rounds.

how to use

  1. Choose what to practice
  2. Hit generate & play
  3. Listen to the morse sequence
  4. Type what you hear

Your answer is checked automatically when you reach the right length. Press space to replay, enter to move to the next round.

score —
correct 0
total 0