Thai Morse Code
Thai Morse code has codes for Thai consonants, vowels and tone marks. Type in Thai to see and hear it.
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Pause for a letter gap, pause longer for a word gap. On a computer the space bar works too. Timing follows the speed in Settings.
Decode Morse from sound or a picture
Play a Morse tone near the microphone, or open a recording. The decoder finds the pitch and the speed by itself and works best on a clean tone between 300 and 1500 Hz. An image works when the dots and dashes are solid shapes on a plain background, like a screenshot or a printed card. Nothing is uploaded: everything is processed on your device.
Set overall speed lower than letter speed for Farnsworth timing: letters stay quick, the gaps get longer. This is how most people learn.
Morse code chart
Tap any character to hear it.
Letters
Numbers
Procedural signals (prosigns)
Sent as one signal with no gap between the letters. Type them in angle brackets, like <SK>.
How it works
Many Thai consonants take the code of a Latin letter with a similar sound: ก is −−· like G, ม is −− like M. Consonants that sound alike share one code, for example ค, ฅ and ฆ are all −·−, so decoding shows the most common one. Vowels and the four tone marks have their own codes: ่ is ··−, ้ is ···−, ๊ is −−··· and ๋ is ·−·−·. Thai digits are sent as International Morse numbers.
Checked against two sources
Thai Wikipedia and the table published by the Thai amateur radio station HS4VED agree on 65 signs. They disagree on one, the short-vowel mark ็ (mai tai khu), so we leave it out rather than guess.
Tables checked against their published sources on 25 September 2026.
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