Note: The languages in bold are the ones I am currently using on this site.
- Code = Language
- aa = Afar
- ab = Abkhazian
- ae = Avestan
- af = Afrikaans
- ak = Akan
- am = Amharic
- an = Aragonese
- ar = Arabic
- as = Assamese
- av = Avaric
- ay = Aymara
- az = Azerbaijani
- ba = Bashkir
- be = Belarusian
- bg = Bulgarian
- bh = Bihari languages
- bi = Bislama
- bm = Bambara
- bn = Bengali
- bo = Tibetan
- br = Breton
- bs = Bosnian
- ca = Catalan; Valencian
- ce = Chechen
- ch = Chamorro
- co = Corsican
- cr = Cree
- cs = Czech
- cu = Old Bulgarian
- cv = Chuvash
- cy = Welsh
- da = Danish
- de = German
- dv = Divehi; Dhivehi; Maldivian
- dz = Dzongkha
- ee = Ewe
- el = Greek, Modern (1453-)
- en = English
- eo = Esperanto
- es = Spanish; Castilian
- et = Estonian
- eu = Basque
- fa = Persian
- ff = Fulah
- fi = Finnish
- fj = Fijian
- fo = Faroese
- fr = French
- fy = Western Frisian
- ga = Irish
- gd = Gaelic; Scottish Gaelic
- gl = Galician
- gn = Guarani
- gu = Gujarati
- gv = Manx
- ha = Hausa
- he = Hebrew
- hi = Hindi
- ho = Hiri Motu
- hr = Croatian
- ht = Haitian; Haitian Creole
- hu = Hungarian
- hy = Armenian
- hz = Herero
- ia = Interlingua
- id = Indonesian
- ie = Interlingue; Occidental
- ig = Igbo
- ii = Sichuan Yi; Nuosu
- ik = Inupiaq
- io = Ido
- is = Icelandic
- it = Italian
- iu = Inuktitut
- ja = Japanese
- jv = Javanese
- ka = Georgian
- kg = Kongo
- ki = Kikuyu; Gikuyu
- kj = Kuanyama; Kwanyama
- kk = Kazakh
- kl = Kalaallisut; Greenlandic
- km = Central Khmer
- kn = Kannada
- ko = Korean
- kr = Kanuri
- ks = Kashmiri
- ku = Kurdish
- kv = Komi
- kw = Cornish
- ky = Kirghiz; Kyrgyz
- la = Latin
- lb = Luxembourgish; Letzeburgesch
- lg = Ganda
- li = Limburgan; Limburger; Limburgish
- ln = Lingala
- lo = Lao
- lt = Lithuanian
- lu = Luba-Katanga
- lv = Latvian
- mg = Malagasy
- mh = Marshallese
- mi = Maori
- mk = Macedonian
- ml = Malayalam
- mn = Mongolian
- mr = Marathi
- ms = Malay
- mt = Maltese
- my = Burmese
- na = Nauru
- nb = Norwegian Bokmål
- nd = Ndebele, North; North Ndebele
- ne = Nepali
- ng = Ndonga
- nl = Dutch; Flemish
- nn = Norwegian Nynorsk
- no = Norwegian
- nr = Ndebele, South; South Ndebele
- nv = Navajo; Navaho
- ny = Chichewa; Chewa; Nyanja
- oc = Occitan (post 1500)
- oj = Ojibwa
- om = Oromo
- or = Oriya
- os = Ossetian; Ossetic
- pa = Panjabi; Punjabi
- pi = Pali
- pl = Polish
- ps = Pushto; Pashto
- pt = Portuguese
- qu = Quechua
- rm = Romansh
- rn = Rundi
- ro = Romanian; Moldavian; Moldovan
- ru = Russian
- rw = Kinyarwanda
- sa = Sanskrit
- sc = Sardinian
- sd = Sindhi
- se = Northern Sami
- sg = Sango
- si = Sinhala; Sinhalese
- sk = Slovak
- sl = Slovenian
- sm = Samoan
- sn = Shona
- so = Somali
- sq = Albanian
- sr = Serbian
- ss = Swati
- st = Sotho, Southern
- su = Sundanese
- sv = Swedish
- sw = Swahili
- ta = Tamil
- te = Telugu
- tg = Tajik
- th = Thai
- ti = Tigrinya
- tk = Turkmen
- tl = Tagalog
- tn = Tswana
- to = Tonga (Tonga Islands)
- tr = Turkish
- ts = Tsonga
- tt = Tatar
- tw = Twi
- ty = Tahitian
- ug = Uighur; Uyghur
- uk = Ukrainian
- ur = Urdu
- uz = Uzbek
- ve = Venda
- vi = Vietnamese
- vo = Volapük
- wa = Walloon
- wo = Wolof
- xh = Xhosa
- yi = Yiddish
- yo = Yoruba
- za = Zhuang; Chuang
- zh = Chinese
- zu = Zulu