Dotori Morse

Contains ads
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Everyone
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Everyone
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About this app

Dotori Morse reads Morse code from your microphone, screen taps or dot-and-dash text. Choose International Morse, Korean Morse or Japanese Wabun in Settings. The code alphabet and the app's display language are separate settings.

Three ways to enter a signal:

- Sound: listen to a steady Morse tone through the microphone, or open an uncompressed PCM WAV file. Automatic tone detection covers 300–1500 Hz. Manual tone and speed controls are also available.
- Taps: hold and release the screen key to enter dots and dashes. Use the letter and word buttons to separate the message.
- Text: paste dots and dashes, enter them with helper buttons, or convert supported characters into Morse.

Keep the original signal:

- Change the code alphabet and decode the same input again.
- See the original dots and dashes, Korean jamo and ambiguous interpretations.
- Edit the decoded sentence while keeping the original input separate.
- Save up to 30 recent messages on your device, copy a result or play its Morse tones.

English and Korean menus, light and dark themes, a code chart and an in-app guide are included. Decoding works on your device without an account. A top banner may show ads; input and decoded messages are not passed to the advertising SDK.

Microphone audio is processed only while the app is in the foreground, for up to 120 seconds per session. Raw microphone audio is not saved to a recording or uploaded. WAV input supports mono or stereo PCM 8/16/24/32-bit and float 32-bit, 8–96 kHz, up to 120 seconds and 48 MB. MP3, compressed WAV and video are not supported.

Please note:

- Sound input is for steady Morse tones, not speech or arbitrary tapping noises. Results depend on tone level, speed and background noise.
- Korean Morse may leave syllable boundaries ambiguous. Japanese small kana are normalized, so their original size cannot be recovered.
- This is an independent utility, not an emergency service or a government app.

Reference tables:
International: https://www.itu.int/rec/R-REC-M.1677-1-200910-I/en
Korean: https://www.law.go.kr/LSW/admRulInfoP.do?admRulSeq=2100000262854
Japanese: https://laws.e-gov.go.jp/law/325M50080000017
Read Morse from sound, taps or text in international, Korean and Japanese codes
Updated on
Oct 27, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

First release.
- Decode International, Korean and Japanese Wabun Morse.
- Enter sound, screen taps or dot-and-dash text.
- Keep the original signal, edit results and save recent messages locally.