Web Interface Language Codes
hl=af Afrikaans
hl=ak Akan
hl=sq Albanian
hl=am Amharic
hl=ar Arabic
hl=hy Armenian
hl=az Azerbaijani
hl=eu Basque
hl=be Belarusian
hl=bem Bemba
hl=bn Bengali
hl=bh Bihari
hl=xx-bork Bork, bork, bork!
hl=bs Bosnian
hl=br Breton
hl=bg Bulgarian
hl=km Cambodian
hl=ca Catalan
hl=chr Cherokee
hl=ny Chichewa
hl=zh-CN Chinese (Simplified)
hl=zh-TW Chinese (Traditional)
hl=co Corsican
hl=hr Croatian
hl=cs Czech
hl=da Danish
hl=nl Dutch
hl=xx-elmer Elmer Fudd
hl=en English
hl=eo Esperanto
hl=et Estonian
hl=ee Ewe
hl=fo Faroese
hl=tl Filipino
hl=fi Finnish
hl=fr French
hl=fy Frisian
hl=gaa Ga
hl=gl Galician
hl=ka Georgian
hl=de German
hl=el Greek
hl=gn Guarani
hl=gu Gujarati
hl=xx-hacker Hacker
hl=ht Haitian Creole
hl=ha Hausa
hl=haw Hawaiian
hl=iw Hebrew
hl=hi Hindi
hl=hu Hungarian
hl=is Icelandic
hl=ig Igbo
hl=id Indonesian
hl=ia Interlingua
hl=ga Irish
hl=it Italian
hl=ja Japanese
hl=jw Javanese
hl=kn Kannada
hl=kk Kazakh
hl=rw Kinyarwanda
hl=rn Kirundi
hl=xx-klingon Klingon
hl=kg Kongo
hl=ko Korean
hl=kri Krio (Sierra Leone)
hl=ku Kurdish
hl=ckb Kurdish (Soranî)
hl=ky Kyrgyz
hl=lo Laothian
hl=la Latin
hl=lv Latvian
hl=ln Lingala
hl=lt Lithuanian
hl=loz Lozi
hl=lg Luganda
hl=ach Luo
hl=mk Macedonian
hl=mg Malagasy
hl=ms Malay
hl=ml Malayalam
hl=mt Maltese
hl=mi Maori
hl=mr Marathi
hl=mfe Mauritian Creole
hl=mo Moldavian
hl=mn Mongolian
hl=sr-ME Montenegrin
hl=ne Nepali
hl=pcm Nigerian Pidgin
hl=nso Northern Sotho
hl=no Norwegian
hl=nn Norwegian (Nynorsk)
hl=oc Occitan
hl=or Oriya
hl=om Oromo
hl=ps Pashto
hl=fa Persian
hl=xx-pirate Pirate
hl=pl Polish
hl=pt-BR Portuguese (Brazil)
hl=pt-PT Portuguese (Portugal)
hl=pa Punjabi
hl=qu Quechua
hl=ro Romanian
hl=rm Romansh
hl=nyn Runyakitara
hl=ru Russian
hl=gd Scots Gaelic
hl=sr Serbian
hl=sh Serbo-Croatian
hl=st Sesotho
hl=tn Setswana
hl=crs Seychellois Creole
hl=sn Shona
hl=sd Sindhi
hl=si Sinhalese
hl=sk Slovak
hl=sl Slovenian
hl=so Somali
hl=es Spanish
hl=es-419 Spanish (Latin American)
hl=su Sundanese
hl=sw Swahili
hl=sv Swedish
hl=tg Tajik
hl=ta Tamil
hl=tt Tatar
hl=te Telugu
hl=th Thai
hl=ti Tigrinya
hl=to Tonga
hl=lua Tshiluba
hl=tum Tumbuka
hl=tr Turkish
hl=tk Turkmen
hl=tw Twi
hl=ug Uighur
hl=uk Ukrainian
hl=ur Urdu
hl=uz Uzbek
hl=vi Vietnamese
hl=cy Welsh
hl=wo Wolof
hl=xh Xhosa
hl=yi Yiddish
hl=yo Yoruba
hl=zu Zul
https://sites.google.com/site/tomihasa/google-language-codes