Start audio
Tap Play or press Space. Your browser requires a gesture before audio can play.
Text → Morse → audio with standard dot/dash timing.
Morse: —
Dot = 1 unit, dash = 3 units, gaps follow standard ratios. Playback is scheduled on the AudioContext timeline for accuracy.
Letters A–Z, digits 0–9, space, and . , ? / @. Other characters are stripped.
Encoding and playback happen locally — messages are never sent to a server.
Tap Play or press Space. Your browser requires a gesture before audio can play.
Use sliders and controls to set frequency, volume, and waveform. Changes apply in real time.
Download a WAV file or copy a share link. All processing stays on your device.
Default 20 WPM with ITU unit ratios.