Morse translator with audio, WAV export, and tone styles

The Morse Code Translator is a browser-based tool for bidirectional conversion between plain text and International Morse code. It supports real-time encoding and decoding with precise adherence to standard timing conventions: dots (1 unit), dashes (3 units), intra-character spacing (1 unit), inter-letter spacing (3 units), and inter-word spacing (7 units). Designed for practical use, the tool serves amateur radio operators, educators, accessibility practitioners, media producers, and learners seeking accurate Morse code generation and verification.
The translator emphasizes workflow integrity through synchronized audio playback, visual signal scope feedback, and export capabilities. It requires no installation and operates across desktop and mobile browsers, making it accessible for on-the-go practice, field testing, or integration into production pipelines.
Users select a conversion direction—text to Morse or Morse to text—and enter content in the input field. For Morse input, letters are separated by spaces and words by forward slashes (/). Conversion occurs automatically as text is typed, with no manual submission required. The output displays the corresponding encoded or decoded result and updates synchronously.
Audio playback uses precise timing based on the selected words-per-minute (WPM) setting, generating tones that reflect standard Morse rhythm. The signal scope provides a time-aligned waveform view, showing pulse onset, duration, and spacing relative to a moving timeline (e.g., −2.4s to Now). Tone profiles alter the timbre and envelope of the generated audio without affecting timing, enabling users to audition different signal characteristics before export.
WAV export is available for all generated audio; downloads exceeding 20 seconds require user authentication to maintain service stability. Settings—including direction, WPM, volume, and tone profile—are encoded in the URL, allowing reproducible configurations across sessions and collaboration.
The Morse Code Translator supports diverse applications requiring reliable, standards-based Morse code handling. In media production, it enables sound designers to generate authentic telegraph-style audio for games, documentaries, and podcasts. Educators use it to demonstrate timing principles and reinforce auditory pattern recognition. Amateur radio operators verify message formatting and practice rhythm accuracy before transmission.
For accessibility, the tool assists individuals using Morse as an alternative communication method, offering consistent timing and multimodal feedback (audio + visual scope). Emergency preparedness trainers employ it to generate and validate distress signals such as SOS (··· --- ···). Its responsive interface and zero-install operation make it suitable for classroom use, field exercises, and personal study.
| Feature | Description |
|---|---|
| Input Support | A–Z, 0–9, underscore, hyphen, comma, semicolon, colon, exclamation mark, question mark, period, apostrophe, quotation mark, parentheses, slash, ampersand, plus, equals, dollar sign |
| Timing Compliance | Follows ITU-R M.1677-1 standard: dot = 1 unit, dash = 3 units, symbol gap = 1 unit, letter gap = 3 units, word gap = 7 units |
| Audio Export | WAV format only; includes current speed, volume, and tone profile settings |
| Tone Profiles | Classic (clean sine wave), Telegraph (sharp click), Radio CW (filtered narrowband), Soft (rounded envelope) |
| Sharing | Full configuration preserved in URL query parameters for reproducibility |
| Accessibility | Keyboard-navigable controls, real-time output, no mandatory login for core functionality |