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 (US) English (US)

Download Dictionary (189.3 KiB)

Download Dictionary (1.6 MiB)

Download Dictionary (206.6 KiB)

Download Language Pack (654.4 KiB)

All locales

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

Download Dictionary (917.2 KiB)

Download Language Pack (507.4 KiB)

Albanian Shqip

Download Dictionary (649.4 KiB)

Download Language Pack (742.5 KiB)

Amharic አማርኛ

Download Dictionary (673.0 KiB)

Arabic عربي

Download Dictionary (802.5 KiB)

Download Language Pack (657.3 KiB)

Aragonese aragonés

Download Dictionary (86.2 KiB)

Armenian Հայերեն

Download Dictionary (196.4 KiB)

Download Language Pack (712.8 KiB)

Assamese অসমীয়া

Download Dictionary (319.5 KiB)

Asturian Asturianu

Download Dictionary (253.2 KiB)

Download Language Pack (537.4 KiB)

Azerbaijani Azərbaycanca (az-ir)

Download Dictionary (53.7 KiB)

Bambara Bamanankan (bm-ml)

Download Dictionary (79.6 KiB)

Basque Euskara

Download Dictionary (826.4 KiB)

Download Language Pack (710.5 KiB)

Belarusian Беларуская

Download Dictionary (3.7 MiB)

Download Dictionary (3.8 MiB)
(Classic Spelling)

Download Language Pack (739.0 KiB)

Bengali (Bangladesh) বাংলা (বাংলাদেশ)

Download Dictionary (1.8 MiB)

Download Dictionary (447.2 KiB)

Download Language Pack (660.4 KiB)

Breton Brezhoneg

Download Dictionary (1.2 MiB)

Download Language Pack (628.0 KiB)

Bulgarian Български

Download Dictionary (1.1 MiB)

Download Language Pack (780.1 KiB)

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

Download Dictionary (113.5 KiB)

Catalan Català

Download Dictionary (733.2 KiB)

Download Language Pack (681.4 KiB)

Catalan (Valencian) Català (Valencià)

Download Dictionary (863.5 KiB)
(myspell)

Download Dictionary (734.3 KiB)
(AVL)

Download Language Pack (163.0 KiB)

Download Language Pack (687.0 KiB)
(AVL)

Chichewa Spell Check (ny-mw)

Download Dictionary (18.0 KiB)

Chinese (Simplified) 中文 (简体)

Download Language Pack (760.4 KiB)

Chinese (Traditional) 正體中文 (繁體)

Download Language Pack (764.5 KiB)

Croatian Hrvatski

Download Dictionary (222.5 KiB)

Download Language Pack (691.1 KiB)

Czech Čeština

Download Dictionary (572.3 KiB)
(bez diakritiky)

Download Dictionary (935.6 KiB)

Download Dictionary (1.5 MiB)

Download Language Pack (758.7 KiB)

Danish Dansk

Download Dictionary (622.8 KiB)

Download Language Pack (710.3 KiB)

Diccionario Papiamento (pap-aw)

Download Dictionary (51.0 KiB)

Dikshonario Papiamentu (pap-cw)

Download Dictionary (51.9 KiB)

Dutch Nederlands

Download Dictionary (750.7 KiB)

Download Language Pack (720.5 KiB)

English (Australian) English (Australian)

Download Dictionary (239.9 KiB)

Download Dictionary (1.5 MiB)

English (British) English (British)

Download Dictionary (374.7 KiB)

Download Dictionary (408.9 KiB)

Download Language Pack (680.5 KiB)

English (Canadian) English (Canadian)

Download Dictionary (180.4 KiB)

Download Language Pack (677.0 KiB)

English (New Zealand) English (New Zealand)

Download Dictionary (258.0 KiB)

English (US) English (US)

Download Dictionary (1.6 MiB)

Download Dictionary (206.6 KiB)

Download Dictionary (189.3 KiB)

Download Language Pack (654.4 KiB)

Esperanto Esperanto

Download Dictionary (96.8 KiB)

Estonian Eesti keel

Download Dictionary (842.4 KiB)

Download Language Pack (668.7 KiB)

Estonian Eesti keel (et-ee)

Download Language Pack (176.0 KiB)

Eʋegbe Spelling Dictionary (eegbe)

Download Dictionary (4.7 KiB)

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

Download Dictionary (563.1 KiB)

Finnish suomi

Download Language Pack (708.6 KiB)

French Français (fr-os)

Download Dictionary (416.5 KiB)

French Français

Download Dictionary (324.2 KiB)

Download Language Pack (757.6 KiB)

Frisian Frysk

Download Dictionary (1.6 MiB)

Download Language Pack (728.7 KiB)

Friulian Furlan

Download Dictionary (115.9 KiB)

Gaelic (Scotland) Gàidhlig

Download Dictionary (1002.7 KiB)

Download Language Pack (699.5 KiB)

Galician Galego

Download Dictionary (365.6 KiB)

Download Language Pack (713.3 KiB)

Georgian ქართული

Download Dictionary (344.6 KiB)

Download Language Pack (765.2 KiB)

German Deutsch

Download Dictionary (1.2 MiB)
(neue Rechtschreibung)

Download Language Pack (740.9 KiB)

German (Austria) Deutsch (Österreich)

Download Dictionary (333.7 KiB)

Download Dictionary (1.2 MiB)

German (Germany) Deutsch (Deutschland)

Download Dictionary (332.5 KiB)
((neue Rechtschreibung))

Download Dictionary (1.2 MiB)
(alte Rechtschreibung)

German (Switzerland) Deutsch (Schweiz)

Download Dictionary (332.8 KiB)

Download Dictionary (1.2 MiB)

Greek Ελληνικά

Download Dictionary (1.5 MiB)

Download Language Pack (859.8 KiB)

Greek Ελληνικά (el-en)

Download Dictionary (3.0 MiB)

Gujarati (India) ગુજરાતી (ભારત)

Download Dictionary (627.3 KiB)

Haitian Creole spell checker (ht)

Download Dictionary (56.7 KiB)

Hausa Hausa (ha-gh)

Download Dictionary (134.1 KiB)

Hawaiian spell checker (haw)

Download Dictionary (24.5 KiB)

Hebrew עברית

Download Dictionary (1.1 MiB)

Download Language Pack (674.4 KiB)

Hiligaynon spell checker (hil)

Download Dictionary (72.2 KiB)

Hindi (India) हिन्दी (भारत)

Download Dictionary (415.2 KiB)

Hungarian magyar

Download Dictionary (714.9 KiB)

Download Language Pack (757.1 KiB)

Icelandic íslenska

Download Dictionary (653.1 KiB)

Download Language Pack (720.7 KiB)

Indonesian Bahasa Indonesia

Download Dictionary (136.5 KiB)

Download Language Pack (642.9 KiB)

Interlingua Interlingua (ia-ia)

Download Dictionary (206.6 KiB)

Interlingue Spell Checker (ie)

Download Dictionary (87.5 KiB)

Irish Gaeilge

Download Dictionary (372.0 KiB)

Download Language Pack (588.2 KiB)

Italian Italiano

Download Dictionary (365.0 KiB)

Download Language Pack (667.4 KiB)

Japanese 日本語

Download Language Pack (791.9 KiB)

Kabyle Taqbaylit

Download Language Pack (705.8 KiB)

Kannada ಕನ್ನಡ

Download Dictionary (22.2 KiB)

Kaqchikel Maya Kaqchikel

Download Language Pack (645.0 KiB)

Kashubian Kaszëbsczi

Download Dictionary (1.7 MiB)

Kazakh Қазақ

Download Language Pack (830.3 KiB)

Korean 한국어

Download Dictionary (898.4 KiB)

Download Language Pack (728.1 KiB)

Kurdish Kurdî

Download Dictionary (42.7 KiB)

Lao ພາສາລາວ

Download Dictionary (43.6 KiB)

Latin Latina

Download Dictionary (298.0 KiB)

Download Dictionary (492.4 KiB)

Latvian Latviešu

Download Dictionary (346.9 KiB)

Lingala Lingála

Download Dictionary (25.2 KiB)

Lithuanian Lietuvių

Download Dictionary (313.7 KiB)

Download Language Pack (671.9 KiB)

Lojban spell check dictionary (jbo)

Download Dictionary (105.8 KiB)

Lower Sorbian Dolnoserbšćina

Download Dictionary (298.5 KiB)

Download Language Pack (757.8 KiB)

Lower Sorbian Dolnoserbšćina (dsb-de)

Download Dictionary (1.6 MiB)

Macedonian Македонски

Download Dictionary (1.3 MiB)

Malagasy Malagasy (mg-mg)

Download Dictionary (60.0 KiB)

Malay Melayu

Download Dictionary (87.8 KiB)

Download Language Pack (555.2 KiB)

Maori (Aotearoa) Māori (Aotearoa)

Download Dictionary (101.9 KiB)

Marathi मराठी

Download Dictionary (716.4 KiB)

Mongolian Монгол

Download Dictionary (1.7 MiB)

Ndebele, South isiNdebele

Download Dictionary (83.8 KiB)

Nepali नेपाली

Download Dictionary (169.9 KiB)

Northern Sotho Sepedi

Download Dictionary (218.0 KiB)

Norwegian (Bokmål) Norsk bokmål

Download Dictionary (1.3 MiB)

Download Language Pack (678.5 KiB)

Norwegian (Nynorsk) Norsk nynorsk

Download Dictionary (891.2 KiB)

Download Language Pack (699.3 KiB)

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

Download Dictionary (2.2 MiB)

Occitan (Lengadocian) occitan (lengadocian)

Download Dictionary (184.9 KiB)

Odia ଓଡ଼ିଆ (or-in)

Download Dictionary (1.4 MiB)

Odia ଓଡ଼ିଆ

Download Dictionary (12.0 KiB)

Persian فارسی (fa-ir)

Download Dictionary (358.0 KiB)

Persian فارسی

Download Language Pack (624.7 KiB)

Polish Polski

Download Dictionary (1.1 MiB)

Download Language Pack (738.7 KiB)

Portuguese (Brazilian) Português (do Brasil)

Download Dictionary (173.8 KiB)

Download Dictionary (173.3 KiB)
(Ortografia Antiga)

Download Dictionary (1.3 MiB)
(Reforma ortográfica de 2009)

Download Language Pack (727.6 KiB)

Portuguese (Portugal) Português (Europeu)

Download Dictionary (271.6 KiB)

Download Language Pack (721.5 KiB)

Punjabi (India) ਪੰਜਾਬੀ (ਭਾਰਤ)

Download Dictionary (10.6 KiB)

Download Language Pack (659.3 KiB)

Romanian Română

Download Dictionary (1.1 MiB)
(trei dicționare: standard (cu â), clasic (cu î), cu sedile)

Download Language Pack (642.6 KiB)

Romansh rumantsch (rm-vallader)

Download Dictionary (466.9 KiB)

Romansh rumantsch (rm-sutsilv)

Download Dictionary (328.3 KiB)

Romansh rumantsch (rm-puter)

Download Dictionary (467.7 KiB)

Romansh rumantsch

Download Language Pack (723.2 KiB)

Romansh rumantsch (rm-surmiran)

Download Dictionary (378.8 KiB)

Russian Русский

Download Dictionary (506.5 KiB)
(Словарь Александра Лебедева)

Download Dictionary (757.2 KiB)
(Словарь Александра Клюквина)

Download Language Pack (845.0 KiB)

Sanskrit संस्कृत

Download Dictionary (15.3 KiB)

Sardinian Sardu (sc-it)

Download Dictionary (211.2 KiB)

Serbian Српски

Download Dictionary (1.0 MiB)

Download Dictionary (1.1 MiB)

Download Language Pack (740.2 KiB)

Sinhala සිංහල

Download Language Pack (635.8 KiB)

Siswati siSwati

Download Dictionary (107.2 KiB)

Slovak slovenčina (sk-sk)

Download Dictionary (666.7 KiB)

Slovak slovenčina (sk-sk-ascii)

Download Dictionary (605.7 KiB)

Slovak slovenčina

Download Language Pack (759.6 KiB)

Slovenian Slovenščina

Download Dictionary (1.1 MiB)

Download Language Pack (721.2 KiB)

Songhai Soŋay

Download Dictionary (41.6 KiB)

Southern Sotho Sesotho

Download Dictionary (49.7 KiB)

Spanish Español (es-ve)

Download Dictionary (340.4 KiB)
(Español Venezuela)

Spanish (Argentina) Español (de Argentina)

Download Dictionary (200.8 KiB)

Download Language Pack (734.1 KiB)

Spanish (Chile) Español (de Chile)

Download Dictionary (250.6 KiB)

Spanish (Mexico) Español (de México)

Download Dictionary (195.6 KiB)

Download Dictionary (255.8 KiB)

Spanish (Spain) Español (de España)

Download Dictionary (252.2 KiB)

Download Language Pack (703.3 KiB)

Swahili Kiswahili (sw-tz)

Download Dictionary (222.6 KiB)

Swedish Svenska

Download Dictionary (1.4 MiB)

Download Language Pack (723.7 KiB)

Tamil தமிழ்

Download Dictionary (282.7 KiB)

Tamil (India) தமிழ் (இந்தியா)

Download Dictionary (352.1 KiB)

Telugu తెలుగు

Download Dictionary (536.6 KiB)

Thai ไทย

Download Language Pack (785.7 KiB)

Tsonga Xitsonga

Download Dictionary (125.6 KiB)

Tswana Setswana

Download Dictionary (178.4 KiB)

Turkish Türkçe

Download Dictionary (4.3 MiB)

Download Language Pack (733.1 KiB)

Turkmen spell checker dictionary (tk)

Download Dictionary (697.4 KiB)

Ukrainian Українська

Download Dictionary (1.2 MiB)

Download Language Pack (835.8 KiB)

Upper Sorbian Hornjoserbsce

Download Dictionary (167.1 KiB)

Download Language Pack (755.2 KiB)

Urdu اُردو

Download Dictionary (321.4 KiB)

Uzbek Oʻzbek tili

Download Dictionary (238.1 KiB)

Download Language Pack (566.0 KiB)

Venda Tshivenḓa

Download Dictionary (72.6 KiB)

Venetan (vec)

Download Dictionary (332.9 KiB)

Vietnamese Tiếng Việt

Download Dictionary (46.8 KiB)

Download Language Pack (762.2 KiB)

Welsh Cymraeg

Download Dictionary (674.9 KiB)

Download Language Pack (725.5 KiB)

Xhosa isiXhosa

Download Dictionary (192.5 KiB)

Yiddish spell checker (YIVO) (yi)

Download Dictionary (300.8 KiB)

Zulu isiZulu

Download Dictionary (383.3 KiB)