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Dictionaries & Language Packs

Installing a dictionary add-on will add a new language option to your Thunderbird spell-checker, which checks your spelling when you fill out Web forms. Language pack add-ons change the language of the entire application.

Available in your locale

List of language packs and dictionaries available in your locale.
Language Dictionary Language Pack
English (en-US) Language Pack (en-us)

Install Dictionary (189.3 KiB)

Install Dictionary (1.6 MiB)

Install Dictionary (206.6 KiB)

Install Language Pack (663.3 KiB)

All locales

List of language packs and dictionaries.
Language Dictionary Language Pack
Afrikaans Afrikaans

Install Dictionary (917.2 KiB)

Install Language Pack (309.1 KiB)

Albanian Shqip

Install Dictionary (649.4 KiB)

Install Language Pack (492.6 KiB)

Amharic አማርኛ

Install Dictionary (673.0 KiB)

Arabic عربي

Install Dictionary (802.5 KiB)

Install Language Pack (425.7 KiB)

Aragonese aragonés

Install Dictionary (86.2 KiB)

Armenian spell checker dictionary (hy-am)

Install Dictionary (196.4 KiB)

Install Language Pack (471.7 KiB)

Assamese অসমীয়া

Install Dictionary (319.5 KiB)

Asturian Asturianu

Install Dictionary (253.2 KiB)

Install Language Pack (332.9 KiB)

Azerbaijani Azərbaycanca (az-ir)

Install Dictionary (53.7 KiB)

Bambara Bamanankan (bm-ml)

Install Dictionary (79.6 KiB)

Basque Euskara

Install Dictionary (826.4 KiB)

Install Language Pack (461.0 KiB)

Belarusian Беларуская

Install Dictionary (3.7 MiB)

Install Dictionary (3.8 MiB)

Install Language Pack (508.8 KiB)

Bengali (Bangladesh) Dictionary (bn-bd)

Install Dictionary (1.8 MiB)

Install Dictionary (447.2 KiB)

Install Language Pack (660.4 KiB)

Brazilian Portuguese Dictionary (New Spelling) (pt-br)

Install Dictionary (173.8 KiB)

Install Dictionary (173.3 KiB)

Install Dictionary (1.3 MiB)

Install Language Pack (478.6 KiB)

Breton Brezhoneg

Install Dictionary (1.2 MiB)

Install Language Pack (393.4 KiB)

British English Dictionary (Marco Pinto) (en-gb)

Install Dictionary (432.4 KiB)

Install Dictionary (375.6 KiB)

Install Language Pack (442.5 KiB)

Bulgarian Български

Install Dictionary (1.1 MiB)

Install Language Pack (522.8 KiB)

CT Cornish Spell-Checker - SWF (kw-gb)

Install Dictionary (113.5 KiB)

Canadian English Dictionary (en-ca)

Install Dictionary (180.4 KiB)

Install Language Pack (442.7 KiB)

Catalan Català

Install Dictionary (733.2 KiB)

Install Language Pack (430.2 KiB)

Catalan (Valencian) català (valencià)

Install Dictionary (863.5 KiB)

Install Dictionary (734.3 KiB)

Install Language Pack (163.0 KiB)

Install Language Pack (687.0 KiB)

Chichewa Spell Check (ny-mw)

Install Dictionary (18.0 KiB)

Chinese Simplified (zh-CN) Language Pack (zh-cn)

Install Language Pack (497.1 KiB)

Corrector orthographic de interlingua (ia-ia)

Install Dictionary (206.6 KiB)

Croatian Hrvatski

Install Dictionary (222.5 KiB)

Install Language Pack (453.4 KiB)

Czech Čeština

Install Dictionary (572.3 KiB)

Install Dictionary (935.6 KiB)

Install Dictionary (1.5 MiB)

Install Language Pack (508.3 KiB)

Danish Dansk

Install Dictionary (2.2 MiB)

Install Language Pack (466.5 KiB)

Diccionario Papiamento (pap-aw)

Install Dictionary (51.0 KiB)

Dikshonario Papiamentu (pap-cw)

Install Dictionary (51.9 KiB)

Dizionari Furlan (fur-it)

Install Dictionary (115.9 KiB)

Dutch Nederlands

Install Dictionary (750.7 KiB)

Install Language Pack (471.9 KiB)

English (Australian) Dictionary (en-au)

Install Dictionary (239.9 KiB)

Install Dictionary (1.5 MiB)

Esperanto Esperanto

Install Dictionary (96.8 KiB)

Estonian Eesti keel

Install Dictionary (842.4 KiB)

Install Language Pack (433.5 KiB)

Estonian Eesti keel (et-ee)

Install Language Pack (176.0 KiB)

European Portuguese Spellchecker (pt-pt)

Install Dictionary (271.6 KiB)

Install Dictionary (273.3 KiB)

Install Language Pack (475.6 KiB)

Eʋegbe Spelling Dictionary (eegbe)

Install Dictionary (4.7 KiB)

Faroese Spell Checker (Faroe Islands) (fo-fo)

Install Dictionary (563.1 KiB)

Finnish suomi

Install Language Pack (463.2 KiB)

French Français

Install Dictionary (324.2 KiB)

Install Language Pack (497.4 KiB)

French Français (fr-os)

Install Dictionary (416.5 KiB)

Frisian Words list (fy-nl)

Install Dictionary (1.6 MiB)

Install Language Pack (480.3 KiB)

Gaelic (Scotland) Gàidhlig

Install Dictionary (1002.7 KiB)

Install Language Pack (451.3 KiB)

Galician Galego

Install Dictionary (365.6 KiB)

Install Language Pack (460.3 KiB)

Georgian ქართული

Install Dictionary (344.6 KiB)

Install Language Pack (542.9 KiB)

German Deutsch

Install Dictionary (1.2 MiB)

Install Language Pack (494.4 KiB)

German Deutsch (de-at)

Install Dictionary (333.7 KiB)

Install Dictionary (1.2 MiB)

German Deutsch (de-ch)

Install Dictionary (332.8 KiB)

Install Dictionary (1.2 MiB)

German Deutsch (de-de)

Install Dictionary (332.5 KiB)

Install Dictionary (1.2 MiB)

Greek Ελληνικά

Install Dictionary (1.5 MiB)

Install Language Pack (596.0 KiB)

Greek Ελληνικά (el-en)

Install Dictionary (3.0 MiB)

Gujarati ગુજરાતી (gu-in)

Install Dictionary (627.3 KiB)

Haitian Creole spell checker (ht)

Install Dictionary (56.7 KiB)

Hausa Hausa (ha-gh)

Install Dictionary (134.1 KiB)

Hawaiian spell checker (haw)

Install Dictionary (24.5 KiB)

Hebrew עברית

Install Dictionary (1.1 MiB)

Install Language Pack (431.9 KiB)

Hiligaynon spell checker (hil)

Install Dictionary (72.2 KiB)

Hindi हिन्दी (hi-in)

Install Dictionary (415.2 KiB)

Hungarian magyar

Install Dictionary (714.9 KiB)

Install Language Pack (506.5 KiB)

Icelandic íslenska

Install Dictionary (653.1 KiB)

Install Language Pack (471.0 KiB)

Indonesian Bahasa Indonesia

Install Dictionary (136.5 KiB)

Install Language Pack (452.9 KiB)

Interlingue Spell Checker (ie)

Install Dictionary (87.5 KiB)

Irish Gaeilge (ga-ie)

Install Dictionary (372.0 KiB)

Install Language Pack (368.0 KiB)

Italian Italiano

Install Dictionary (365.0 KiB)

Install Language Pack (478.2 KiB)

Japanese 日本語

Install Language Pack (527.9 KiB)

Kabyle Taqbaylit

Install Language Pack (458.2 KiB)

Kannada ಕನ್ನಡ

Install Dictionary (22.2 KiB)

Kaqchikel Maya Kaqchikel

Install Language Pack (408.5 KiB)

Kashubian Kaszëbsczi

Install Dictionary (1.7 MiB)

Kazakh Қазақ

Install Language Pack (560.4 KiB)

Korean 한국어

Install Dictionary (898.4 KiB)

Install Language Pack (503.0 KiB)

Kurdish Kurdî

Install Dictionary (42.7 KiB)

Lao ພາສາລາວ

Install Dictionary (43.6 KiB)

Latin Latina

Install Dictionary (298.0 KiB)

Install Dictionary (492.4 KiB)

Latvian Latviešu

Install Dictionary (346.9 KiB)

Lingala Lingála

Install Dictionary (25.2 KiB)

Lithuanian Lietuvių

Install Dictionary (313.7 KiB)

Install Language Pack (442.2 KiB)

Lojban spell check dictionary (jbo)

Install Dictionary (105.8 KiB)

Lower Sorbian Dolnoserbšćina

Install Dictionary (298.5 KiB)

Install Language Pack (506.9 KiB)

Lower Sorbian Dolnoserbšćina (dsb-de)

Install Dictionary (1.6 MiB)

Macedonian Македонски

Install Dictionary (1.3 MiB)

Malagasy Malagasy (mg-mg)

Install Dictionary (60.0 KiB)

Malay Melayu

Install Dictionary (87.8 KiB)

Install Language Pack (344.2 KiB)

Maori (Aotearoa) Māori (Aotearoa)

Install Dictionary (101.9 KiB)

Marathi मराठी

Install Dictionary (716.4 KiB)

Mongolian Монгол

Install Dictionary (1.7 MiB)

Ndebele, South isiNdebele

Install Dictionary (83.8 KiB)

Nepali Dictionary (ne-np)

Install Dictionary (169.9 KiB)

New Zealand English (en-nz)

Install Dictionary (258.0 KiB)

Norsk bokmål ordliste (nb-no)

Install Dictionary (1.3 MiB)

Install Language Pack (466.0 KiB)

Norsk nynorsk ordliste (nn-no)

Install Dictionary (891.2 KiB)

Install Language Pack (456.9 KiB)

Northern Sotho Sepedi

Install Dictionary (218.0 KiB)

Occitan (Lengadocian) occitan (lengadocian)

Install Dictionary (184.9 KiB)

Occitan (Lengadocian) occitan (lengadocian) (oc-es)

Install Dictionary (2.2 MiB)

Odia ଓଡ଼ିଆ

Install Dictionary (12.0 KiB)

Odia ଓଡ଼ିଆ (or-in)

Install Dictionary (1.4 MiB)

Persian فارسی

Install Language Pack (624.7 KiB)

Persian فارسی (fa-ir)

Install Dictionary (358.0 KiB)

Polish Polski

Install Dictionary (1.1 MiB)

Install Language Pack (503.4 KiB)

Punjabi ਪੰਜਾਬੀ (pa-in)

Install Dictionary (10.6 KiB)

Install Language Pack (423.7 KiB)

Romanian Română

Install Dictionary (1.1 MiB)

Install Language Pack (407.7 KiB)

Romansh rumantsch

Install Language Pack (476.0 KiB)

Romansh rumantsch (rm-puter)

Install Dictionary (482.5 KiB)

Romansh rumantsch (rm-surmiran)

Install Dictionary (379.6 KiB)

Romansh rumantsch (rm-sutsilv)

Install Dictionary (329.1 KiB)

Romansh rumantsch (rm-vallader)

Install Dictionary (478.3 KiB)

Russian Русский

Install Dictionary (506.5 KiB)

Install Dictionary (757.2 KiB)

Install Language Pack (580.6 KiB)

Sanskrit संस्कृत

Install Dictionary (15.3 KiB)

Sardu (ditzionàriu CROS) (sc-it)

Install Dictionary (211.2 KiB)

Serbian Српски

Install Dictionary (1.0 MiB)

Install Dictionary (1.1 MiB)

Install Language Pack (484.3 KiB)

Sinhala සිංහල

Install Language Pack (635.8 KiB)

Siswati siSwati

Install Dictionary (107.2 KiB)

Slovak slovenčina

Install Language Pack (508.3 KiB)

Slovak slovenčina (sk-sk)

Install Dictionary (666.7 KiB)

Slovak slovenčina (sk-sk-ascii)

Install Dictionary (605.7 KiB)

Slovenian Slovenščina

Install Dictionary (1.1 MiB)

Install Language Pack (475.8 KiB)

Songhai Soŋay

Install Dictionary (41.6 KiB)

Southern Sotho Sesotho

Install Dictionary (49.7 KiB)

Spanish Español (es-ar)

Install Dictionary (230.0 KiB)

Install Language Pack (484.8 KiB)

Spanish Español (es-cl)

Install Dictionary (250.6 KiB)

Spanish Español (es-es)

Install Dictionary (230.5 KiB)

Install Language Pack (485.6 KiB)

Spanish Español (es-mx)

Install Dictionary (195.6 KiB)

Install Dictionary (260.0 KiB)

Spanish Español (es-ve)

Install Dictionary (340.4 KiB)

Spellchecker Ladin (Gherdëina) (lld)

Install Dictionary (393.5 KiB)

Spellchecker Ladin (Val Badia) (lld-valbadia)

Install Dictionary (383.4 KiB)

Swahili Kiswahili (sw-tz)

Install Dictionary (222.6 KiB)

Swedish Dictionary (sv-se)

Install Dictionary (1.4 MiB)

Install Language Pack (474.1 KiB)

Tamil தமிழ்

Install Dictionary (282.7 KiB)

Tamil தமிழ் (ta-in)

Install Dictionary (352.1 KiB)

Telugu తెలుగు

Install Dictionary (536.6 KiB)

Thai ไทย

Install Language Pack (555.2 KiB)

Traditional Chinese (zh-TW) Language Pack (zh-tw)

Install Language Pack (500.3 KiB)

Tsonga Xitsonga

Install Dictionary (125.6 KiB)

Tswana Setswana

Install Dictionary (178.4 KiB)

Turkish Türkçe

Install Dictionary (4.3 MiB)

Install Language Pack (484.4 KiB)

Turkmen spell checker dictionary (tk)

Install Dictionary (697.4 KiB)

Ukrainian Українська

Install Dictionary (1.4 MiB)

Install Language Pack (569.2 KiB)

Upper Sorbian Hornjoserbsce

Install Dictionary (167.1 KiB)

Install Language Pack (504.0 KiB)

Urdu اُردو

Install Dictionary (321.4 KiB)

Uzbek Oʻzbek tili

Install Dictionary (238.1 KiB)

Install Language Pack (347.3 KiB)

Venda Tshivenḓa

Install Dictionary (72.6 KiB)

Venetan (vec)

Install Dictionary (332.9 KiB)

Vietnamese Tiếng Việt

Install Dictionary (46.8 KiB)

Install Language Pack (507.6 KiB)

Welsh Cymraeg

Install Dictionary (674.9 KiB)

Install Language Pack (477.4 KiB)

Xhosa isiXhosa

Install Dictionary (192.5 KiB)

Yiddish spell checker (YIVO) (yi)

Install Dictionary (300.8 KiB)

Zulu isiZulu

Install Dictionary (383.3 KiB)

enUS deDE bilingual dictionary (en-us)

Install Dictionary (1.6 MiB)

Install Dictionary (206.6 KiB)

Install Dictionary (189.3 KiB)

Install Language Pack (663.3 KiB)