Morse Spectrogram Decoder
Encode, visualize, synthesize, and decode Morse code locally
About
A deterministic client-side Morse utility supporting A–Z, numbers, punctuation, ITU WPM timing, 600 Hz sine synthesis, and a simple amplitude-threshold decoder.
About this tool
Convert text to ITU Morse, visualize WPM timing, synthesize sine-wave audio, and decode thresholded tone signals in your browser. Morse Spectrogram Decoder runs in the browser on DevTools. There is no signup, and your input stays on this device unless the tool explicitly performs a live network lookup.
What this tool does not do
- Morse Spectrogram Decoder is a free in-browser utility, not a hosted API. It does not keep server-side history and is not a substitute for production verification in your own stack.
How do I use this tool?
How do I use Morse Spectrogram Decoder?
Open Morse Spectrogram Decoder, enter or paste your input, and copy the result. The page works without an account.
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