Install MEKONGEASY HERE to get 1-click transliteration. Go to any Khmer Thai Lao or Myanmar page and click the icon ARRO top right, websites in these languages will then be transliterated to western alphabet.

The original script is left intact in case you choose to translate any words with an extension such as MYVOCABU, which also plays audio for some languages.
Pallava Brahmic alphabets. 1:1 reversible maps brahmic:roman for Khmer (Cambodian) Lao (Laotian) Thai and Burmese (Myanmar)

i u o w ļ ŗ SHORT vowels (Myanmar a e, Thai â ê)
a e ii uu oo ww ļļ ŗŗ LONG vowels (except for Myanmar, aa ee)

ei|ai as in day
ae as in there
ao as in now
ie as in here
eu as in her
uo as in tour (Aussie accent), dua
u as in euh
w as in uw or euw (vowel)
ŗ as in carer (vowel)
ļ as in tickler (vowel)

c j as in join
z ç as in chase (for Khmer z,ç have more breath)
q = k
ñ as in new
x = kh as in loch (Scottish accent)
ţ đ T as in the
· = glottal stop as in about