Use a supported browser and grant audio permission when prompted.
Live audio route
Morse code microphone decoder
Listen for Morse code audio through your microphone, detect dots and dashes in real time, and decode the signal into plain text directly in the browser.
Microphone decoder
Real-time Morse code audio detection
Ready
-
-
Adjust frequency and threshold to fit your radio, speaker, or practice tone.
The page updates the detected Morse stream and translated text continuously.
How to decode Morse code audio cleanly
- Use headphones if your device is playing Morse audio while listening.
- Reduce background noise to lower false positives.
- Start around 600-700 Hz and 10-15 WPM if you are testing with standard practice tones.
Need a signal source first? Use the translator page to generate Morse playback, or keep the Morse code alphabet chart open while checking unfamiliar patterns.