Morse Code Audio Decoder

Turn Morse code sound into text. Upload an audio file of beeps or use your microphone, and the decoder detects each dot and dash and the speed automatically. To go the other way and create Morse audio, use the Morse code generator.

Decode From a File

Upload an audio file of Morse beeps.

Decode From Microphone

Record live Morse beeps, then decode on stop.

Result

Detected Morse

Decoded Text

Tips for a Clean Decode

  • Use a steady single-tone beep rather than voice or music.
  • Keep consistent spacing between dots, dashes, letters, and words.
  • Reduce background noise when recording with the microphone.

Frequently Asked Questions

How do I decode Morse code from audio?

Upload an audio file of Morse beeps or press Use Microphone and play the signal. The decoder measures the length of each tone and gap, works out the speed on its own, and prints the text.

What audio formats work?

Common formats your browser can play, such as MP3, WAV, M4A, and OGG, can be decoded. Clear, single-tone beeps with steady timing give the best results.

Does the microphone audio get uploaded?

No. All decoding happens in your browser. No audio file or microphone recording is sent to a server.