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Welcome to MorseTree. • Visual binary tree showing all 26 Morse code letters • Quiz mode with three formats • Adjustable speed (5–40 WPM) and pitch (400–1000 Hz) • No ads. No trackers. No accounts.
Learn Morse code through a glowing binary tree. Trainer, audio, and quizzes.
MorseTree turns international Morse code into something you can SEE. Instead of memorizing 26 letter codes from a list, you watch a glowing binary tree light up as you tap dots and dashes. Every letter is a unique path through the tree — once you see it, you can't unsee it. Tap to type. Hold to elongate. Listen to learn. WHAT'S INSIDE • A live interactive Morse code tree — all 26 letters visible at once • Single-button keyer: short tap = dot, long press = dash • Real-time audio at standard PARIS-timed Morse speed • Word mode for keying full words with the same single button • Quiz mode — listen, transcribe in a text field, and check your score • Three quiz formats: short words, mixed words, full sentences • Adjustable speed (5 to 40 WPM) and pitch (400 to 1000 Hz) • Symbol reference for letters, numbers, and punctuation • Replay any letter or word with one tap WHO IT'S FOR • Amateur radio (HAM) operators preparing for CW exams • Scouts working toward Morse code merit badges • Aviation enthusiasts learning NDB and beacon identifiers • Educators teaching binary trees, encoding, or communication history • Anyone curious about the most elegant binary code ever designed PRIVACY-FIRST BY DESIGN MorseTree contains no advertisements, no analytics, and no trackers. The app makes no network requests. Your speed and pitch preferences are stored only on your device. Suitable for all ages and compliant with COPPA and GDPR by design. No accounts. No ads. No data collection. Just dots, dashes, and progress.