Use your latin keyboard to get Thai script:

To get: กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯ
Type: kk'k"k-k-'k-"Gcc'c-s-c-'y'DTT'T-T-'Ndtt't-t-'nbpp'fp-f-p-'myrr'll'ws's"sh'l"hh-.

To get: ะัาำ  ิ  ี  ึ  ึอ  ื ุ ูเะเึ เแะแึแโะโาะอเอะเอใไๅเ…า๐๑๒๓๔๕๖๗๘๙ tone1tone2tone3tone4)
Type: aa'a:aMii:üü:ü'uu:ee'e:ää'ä:oo:)):öö:aïaï'ü:'aW0123456789``'`"+_)

Caution: remember to insert one space after each syllable! These spaces will not appear in the thaï text.