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Free Thai script trainer
ThaiLetters.com is a free, browser-based way to learn the Thai alphabet: all 44 consonants, the vowel signs, and the Thai numerals. Every flashcard pairs the letter with its traditional name, a plain-English pronunciation clue, its consonant class, and spoken audio — so you can start reading Thai letters with confidence. There is no signup and nothing to install, and your practice progress stays on your own device.
The trainer covers the full everyday Thai writing system, split into focused decks so you can build up one piece at a time:
Every Thai consonant belongs to one of three classes — high, mid, or low. The class matters because, together with vowel length and any tone mark, it determines the tone of a syllable. Learning each letter's class early makes reading tones far easier later on.
| Class | How many | Examples |
|---|---|---|
| Mid | 9 | ก จ ด ต บ ป อ |
| High | 11 | ข ฉ ถ ผ ฝ ศ ส ห |
| Low | 24 | ค ง ช ซ ท น พ ฟ ม ย ร ล ว ฮ |
The Thai alphabet has 44 consonant letters (two of which are now obsolete) plus a set of vowel symbols and four tone marks. Vowels are written with around 15 basic signs that combine into roughly 30 written forms, appearing before, after, above, or below the consonant they modify. Thai also has its own set of ten numerals. Unlike English, Thai is normally written without spaces between words, which is part of why recognizing each letter on sight is such a useful first step.
Yes. The trainer is completely free and runs entirely in your browser. There is no account to create and nothing to download; the site is supported by optional advertising.
Yes. After you reveal a card, press the "Hear it" button or the S key to hear the letter's name read aloud. Audio uses your device's built-in speech voices; a Thai-language voice gives the most accurate result.
Thai consonants are grouped into high, mid, and low classes. The class of the initial consonant combines with vowel length and tone marks to decide a syllable's tone, so it is an essential part of reading Thai correctly.
No. ThaiLetters.com works instantly in any modern browser on desktop or mobile, with no sign-up and no installation.
It varies by learner, but with focused daily practice many people recognize all 44 consonants within a few weeks. Spaced, repeated review — exactly what flashcards provide — is the most reliable approach.
ThaiLetters.com (อักษรไทย, "Thai letters") is a free educational tool operated by Genext Information Systems. It is designed for absolute beginners who want a fast, low-pressure way to recognize Thai characters before moving on to words and sentences. Pronunciation clues are simplified approximations meant for learning, not a replacement for a teacher; for deeper study of the writing system, references such as the Thai script overview on Wikipedia are a good next step.
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