Dictionaries and Language Packs

Installing a dictionary add-on will add a new language option to your spell-checker, which checks your spelling as you type in Firefox.

Language packs change your browser's interface language, including menu options and settings.

Available for your locale

All Locales

Locale Name	Language Packs	Dictionaries
Locale Name Acholi Acholi	Language Packs Language: Acholi (Acoli)	Dictionaries
Locale Name Afrikaans Afrikaans	Language Packs Language: Afrikaans	Dictionaries Afrikaans spell checker
Locale Name Albanian Shqip	Language Packs Language: Shqip (Albanian)	Dictionaries Albanian Dictionary
Locale Name Arabic عربي	Language Packs Language: العربية (Arabic)	Dictionaries Arabic spell-checking dictionary
Locale Name Aragonese aragonés	Language Packs Language: Aragonés (Aragonese)	Dictionaries Corrector ortografico aragonés
Locale Name Armenian Հայերեն	Language Packs Language: հայերեն (Armenian)	Dictionaries Armenian spell checker dictionary
Locale Name Assamese অসমীয়া	Language Packs	Dictionaries Lachit - an Assamese Spell Checker
Locale Name Asturian Asturianu	Language Packs Language: Asturianu (Asturian)	Dictionaries Correutor ortográficu d'asturianu
Locale Name Azerbaijani Azərbaycanca	Language Packs Language: Azərbaycanca (Azerbaijani)	Dictionaries Azerbaijani Spell Checker Azerbaijani Spellchecker
Locale Name Bambara Bamanankan	Language Packs	Dictionaries Bambara/Bamanakan
Locale Name Basque Euskara	Language Packs Language: Euskara (Basque)	Dictionaries Xuxen
Locale Name Belarusian Беларуская	Language Packs Language: Беларуская (Belarusian)	Dictionaries Belarusian Spellcheck Dictionary Belarusian Dictionary (official 2008)
Locale Name Bengali বাংলা	Language Packs Language: বাংলা (Bangla)	Dictionaries
Locale Name Bengali (Bangladesh) বাংলা (বাংলাদেশ)	Language Packs	Dictionaries Bengali (Bangladesh) Dictionary Bangla Banan Dictionary BCM Bengali (Bangladesh) Spellchecker
Locale Name Bodo बर'	Language Packs Language: बड़ो (Bodo)	Dictionaries
Locale Name Bosnian Bosanski	Language Packs Language: Bosanski (Bosnian)	Dictionaries
Locale Name Breton Brezhoneg	Language Packs Language: Brezhoneg (Breton)	Dictionaries Difazier An Drouizig
Locale Name Bulgarian Български	Language Packs Language: Български (Bulgarian)	Dictionaries Bulgarian Dictionary
Locale Name Burmese မြန်မာဘာသာ	Language Packs Language: မြန်မာ (Burmese)	Dictionaries
Locale Name Catalan Català	Language Packs Language: Català (Catalan)	Dictionaries General Catalan dictionary
Locale Name Catalan (Valencian) Català (Valencià)	Language Packs Language: Català (Valencià)	Dictionaries Valencian Spellchecker Valencian Catalan dictionary
Locale Name Chinese (Simplified) 中文 (简体)	Language Packs Language: 简体中文 (Simplified Chinese)	Dictionaries
Locale Name Chinese (Traditional) 正體中文 (繁體)	Language Packs Language: 正體中文 (Traditional Chinese)	Dictionaries
Locale Name Croatian Hrvatski	Language Packs Language: Hrvatski (Croatian)	Dictionaries Croatian Dictionary (Hrvatski Rječnik)
Locale Name Czech Čeština	Language Packs Language: Čeština (Czech)	Dictionaries Český slovník pro kontrolu pravopisu Český slovník kontroly pravopisu (bez diakritiky) Český slovník pro kontrolu pravopisu (CC0)
Locale Name Danish Dansk	Language Packs Language: Dansk (Danish)	Dictionaries Danish Dictionary for the Spell Checker
Locale Name Dutch Nederlands	Language Packs Language: Nederlands (Dutch)	Dictionaries Woordenboek Nederlands
Locale Name English (Australian) English (Australian)	Language Packs	Dictionaries English (Australian) Dictionary Australian English Dictionary
Locale Name English (British) English (British)	Language Packs Language: English (GB)	Dictionaries British English Dictionary (Marco Pinto) British-English Dictionary (GB) Oxford English Spellchecker
Locale Name English (Canadian) English (Canadian)	Language Packs Language: English (CA)	Dictionaries Canadian English Dictionary
Locale Name English (New Zealand) English (New Zealand)	Language Packs	Dictionaries New Zealand English Dictionary
Locale Name English (US) English (US)	Language Packs Language: English (US)	Dictionaries English United States Dictionary enUS deDE bilingual dictionary English (US) Dictionary
Locale Name Esperanto Esperanto	Language Packs Language: Esperanto	Dictionaries Esperanta Vortaro
Locale Name Estonian Eesti keel	Language Packs Language: Eesti (Estonian)	Dictionaries Eesti keele speller
Locale Name Finnish suomi	Language Packs Language: Suomi (Finnish)	Dictionaries
Locale Name French Français	Language Packs Language: Français (French)	Dictionaries French spelling dictionary Correcteur français en orthographe simplifiée
Locale Name Frisian Frysk	Language Packs Language: Frysk (Frisian)	Dictionaries Frisian Words list
Locale Name Friulian Furlan	Language Packs Language: Furlan (Friulian)	Dictionaries
Locale Name Friulian Furlan	Language Packs	Dictionaries Dizionari Furlan
Locale Name Fulah Pulaar-Fulfulde	Language Packs Language: Pulaar (Fulah)	Dictionaries
Locale Name Gaelic (Scotland) Gàidhlig	Language Packs Language: Gàidhlig (Scottish Gaelic)	Dictionaries Scottish Gaelic spellchecker (Universal) Scottish Gaelic spellchecker (GOC)
Locale Name Galician Galego	Language Packs Language: Galego (Galician)	Dictionaries Corrector de Galego
Locale Name Georgian ქართული	Language Packs Language: ქართული (Georgian)	Dictionaries ქართული ორთოგრაფიული ლექსიკონი
Locale Name German Deutsch	Language Packs Language: Deutsch (German)	Dictionaries
Locale Name German (Austria) Deutsch (Österreich)	Language Packs	Dictionaries German Dictionary, extended for Austria German dictionary (de_AT)
Locale Name German (Germany) Deutsch (Deutschland)	Language Packs	Dictionaries German Dictionary German dictionary (de_DE) German Dictionary, classical spelling standards
Locale Name German (Switzerland) Deutsch (Schweiz)	Language Packs	Dictionaries German Dictionary (Switzerland) German dictionary (de_CH)
Locale Name Greek Ελληνικά	Language Packs Language: Ελληνικά (Greek)	Dictionaries Greek spellchecking dictionary English - Greek Spelling dictionary
Locale Name Guarani (Paraguay) GuaranÍ	Language Packs Language: Guarani	Dictionaries
Locale Name Gujarati (India) ગુજરાતી (ભારત)	Language Packs Language: ગુજરાતી (Gujarati)	Dictionaries Gujarati Spell Checker (India)
Locale Name Hausa Hausa	Language Packs	Dictionaries Hausa Spelling Dictionary
Locale Name Hebrew עברית	Language Packs Language: עברית (Hebrew)	Dictionaries Hebrew spell-checking dictionary (from HSpell)
Locale Name Hindi (India) हिन्दी (भारत)	Language Packs Language: हिन्दी (Hindi)	Dictionaries Hindi Spell Checker Hungarian Optional Accents Dictionary Hindi Spell Check
Locale Name Hungarian magyar	Language Packs Language: Magyar (Hungarian)	Dictionaries Hungarian Dictionary
Locale Name Icelandic íslenska	Language Packs Language: Islenska (Icelandic)	Dictionaries Icelandic Dictionary
Locale Name Indonesian Bahasa Indonesia	Language Packs Language: Indonesia (Indonesian)	Dictionaries Kamus Pengecek Ejaan Bahasa Indonesia
Locale Name Interlingua Interlingua	Language Packs Language: Interlingua	Dictionaries Corrector orthographic de interlingua Interlingua - Dictionario orthographic
Locale Name Irish Gaeilge	Language Packs Language: Gaeilge (Irish)	Dictionaries Litreoir GaelSpell do Mhozilla
Locale Name Italian Italiano	Language Packs Language: Italiano (Italian)	Dictionaries Dizionario italiano
Locale Name Japanese 日本語	Language Packs Language: 日本語 (Japanese)	Dictionaries
Locale Name Kabyle Taqbaylit	Language Packs Language: Taqbaylit (Kabyle)	Dictionaries Imseɣti asnalɣan n tutlayt taqbaylit
Locale Name Kannada ಕನ್ನಡ	Language Packs Language: ಕನ್ನಡ (Kannada)	Dictionaries Kannada Spell Checker
Locale Name Kaqchikel Maya Kaqchikel	Language Packs Language: Kaqchikel	Dictionaries
Locale Name Kazakh Қазақ	Language Packs Language: қазақ тілі (Kazakh)	Dictionaries
Locale Name Khmer ខ្មែរ	Language Packs Language: ខ្មែរ (Khmer)	Dictionaries
Locale Name Korean 한국어	Language Packs Language: 한국어 (Korean)	Dictionaries Korean spellchecker
Locale Name Kurdish Kurdî	Language Packs	Dictionaries Rastnivîs
Locale Name Lao ພາສາລາວ	Language Packs Language: ລາວ (Lao)	Dictionaries Lao Spellchecking Dictionary
Locale Name Latin Latina	Language Packs	Dictionaries Latin Dictionary Zeiler-Sutto Latin Dictionary The Taxonomy Dictionary
Locale Name Latvian Latviešu	Language Packs Language: Latviešu (Latvian)	Dictionaries Latviešu valodas pareizrakstības pārbaudes vārdnīca
Locale Name Ligurian Ligure	Language Packs Language: Ligure (Ligurian)	Dictionaries
Locale Name Lingala Lingála	Language Packs	Dictionaries Lingala spell checker (Hunspell ln-CD)
Locale Name Lithuanian lietuvių kalba	Language Packs Language: Lietuvių (Lithuanian)	Dictionaries Lithuanian spelling check dictionary
Locale Name Lower Sorbian Dolnoserbšćina	Language Packs Language: Dolnoserbšćina (Lower Sorbian)	Dictionaries Lower Sorbian dictionary
Locale Name Macedonian Македонски	Language Packs Language: македонски (Macedonian)	Dictionaries Macedonian (Македонски) Spellchecker - Cyrillic Macedonian (Македонски) Spellchecker - Latin
Locale Name Malagasy Malagasy	Language Packs	Dictionaries Malagasy Spell Checker
Locale Name Malay Melayu	Language Packs Language: Melayu (Malay)	Dictionaries MyEja Generasi Kedua
Locale Name Maori (Aotearoa) Māori (Aotearoa)	Language Packs	Dictionaries Te Papakupu Māori
Locale Name Marathi मराठी	Language Packs Language: मराठी (Marathi)	Dictionaries Marathi Dictionary
Locale Name Mongolian Монгол	Language Packs	Dictionaries Mongolian spellchecking dictionary
Locale Name Ndebele, South isiNdebele	Language Packs	Dictionaries Ndebele (South) spell checker
Locale Name Nepali नेपाली	Language Packs Language: नेपाली (Nepali)	Dictionaries Nepali Dictionary
Locale Name Northern Sotho Sepedi	Language Packs	Dictionaries Northern Sotho spell checker
Locale Name Norwegian (Bokmål) Norsk bokmål	Language Packs Language: Norsk Bokmål (Norwegian Bokmål)	Dictionaries Norsk bokmål ordliste
Locale Name Norwegian (Nynorsk) Norsk nynorsk	Language Packs Language: Nynorsk (Norwegian Nynorsk)	Dictionaries Norsk nynorsk ordliste
Locale Name Occitan occitan	Language Packs Language: Occitan	Dictionaries Dictionnaire occitan gascon Dictionnaire occitan languedocien Diccionari occitan lengadocian Aranese spell checker
Locale Name Oriya ଓଡ଼ିଆ	Language Packs	Dictionaries Oriya Spell Checker Odia Spelling Checker
Locale Name Persian فارسی	Language Packs Language: فارسی (Persian)	Dictionaries Persian Dictionary
Locale Name Persian (Iran) (ایران) فارسی	Language Packs	Dictionaries Lilak, Persian Spell Checker Dictionary Lilak
Locale Name Polish Polski	Language Packs Language: Polski (Polish)	Dictionaries Polish Spellchecker Dictionary
Locale Name Portuguese (Brazilian) Português (do Brasil)	Language Packs Language: Português (BR)	Dictionaries Brazilian Portuguese Dictionary (New Spelling) Verificador Ortográfico para Português do Brasil Brazilian Portuguese Dictionary (Former Spelling)
Locale Name Portuguese (Portugal) Português (Europeu)	Language Packs Language: Português (PT) (Portuguese)	Dictionaries European Portuguese Spellchecker
Locale Name Punjabi (India) ਪੰਜਾਬੀ (ਭਾਰਤ)	Language Packs Language: ਪੰਜਾਬੀ (Punjabi)	Dictionaries Punjabi Spell Checker
Locale Name Romanian Română	Language Packs Language: Română (Romanian)	Dictionaries Romanian spellchecking dictionary
Locale Name Romansh rumantsch	Language Packs Language: Rumantsch (Romansh)	Dictionaries Spellchecker Rumantsch Grischun Spellchecker Rumantsch Surmiran Spellchecker Rumantsch Sutsilvan Spellchecker Rumantsch Puter Spellchecker Rumantsch Vallader
Locale Name Russian Русский	Language Packs Language: Русский (Russian)	Dictionaries Russian spellchecking dictionary Russian Hunspell dictionary Russian-English Dictionary Словарь орфографии Вики
Locale Name Sanskrit संस्कृत	Language Packs	Dictionaries Sanskrit Spell Checker Sanskrit Dictionary
Locale Name Santali ᱥᱟᱱᱛᱟᱲᱤ	Language Packs Language: ᱥᱟᱱᱛᱟᱲᱤ (Santali)	Dictionaries Santali (Ol Chiki) Spell Checker
Locale Name Saraiki سرائیکی	Language Packs Language: سرائیکی (Saraiki)	Dictionaries
Locale Name Sardinian Sardu	Language Packs Language: Sardu (Sardinian)	Dictionaries Ditzionàriu sardu
Locale Name Scots Scots	Language Packs Language: Scots	Dictionaries
Locale Name Serbian Српски	Language Packs Language: Cрпски (Serbian)	Dictionaries Srpski Српски речник - Serbian Dictionary
Locale Name Serbian Српски	Language Packs	Dictionaries Провера словних грешака - српски (ћирилица)
Locale Name Serbian Srpski	Language Packs	Dictionaries Provera slovnih grešaka - srpski (latinica)
Locale Name Silesian Ślōnski	Language Packs Language: Ślōnsko (Silesian)	Dictionaries
Locale Name Sinhala සිංහල	Language Packs Language: සිංහල (Sinhala)	Dictionaries
Locale Name Siswati siSwati	Language Packs	Dictionaries Swati spell checker
Locale Name Slovak slovenčina	Language Packs Language: Slovenčina (Slovak)	Dictionaries Slovak spell checking dictionary Slovak ascii spellchecking dictionary
Locale Name Slovenian Slovenščina	Language Packs Language: Slovenščina (Slovenian)	Dictionaries Slovar za slovenski jezik
Locale Name Songhai Soŋay	Language Packs Language: Soŋay (Songhai)	Dictionaries Soŋay senni hantum tenjandikaw
Locale Name Southern Sotho Sesotho	Language Packs	Dictionaries Southern Sotho spell checker
Locale Name Spanish Español	Language Packs	Dictionaries Spanish (Venezuela) spell check dictionary
Locale Name Spanish (Argentina) Español (de Argentina)	Language Packs Language: Español (AR) (Spanish, Argentina)	Dictionaries Diccionario español Argentina
Locale Name Spanish (Chile) Español (de Chile)	Language Packs Language: Español (CL) (Spanish, Chile)	Dictionaries Diccionario de Español/Chile
Locale Name Spanish (Mexico) Español (de México)	Language Packs Language: Español (MX) (Spanish, Mexico)	Dictionaries Diccionario español México Spanish (Mexico) Dictionary
Locale Name Spanish (Spain) Español (de España)	Language Packs Language: Español (ES) (Spanish, Spain)	Dictionaries Spanish (Spain) Dictionary
Locale Name Standard Moroccan Tamazight ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ	Language Packs	Dictionaries Tamazight Dictionary
Locale Name Swahili Kiswahili	Language Packs	Dictionaries Kiswahili Spell Checker
Locale Name Swedish Svenska	Language Packs Language: Svenska (Swedish)	Dictionaries Swedish Dictionary
Locale Name Tagalog Tagalog	Language Packs Language: Tagalog (Filipino)	Dictionaries
Locale Name Tajik Тоҷикӣ	Language Packs Language: Тоҷикӣ (Tajik)	Dictionaries
Locale Name Tamil தமிழ்	Language Packs Language: தமிழ் (Tamil)	Dictionaries Tamil Spell Checker for Firefox
Locale Name Tamil (India) தமிழ் (இந்தியா)	Language Packs	Dictionaries ThamiZha! Solthiruthi(Tamil spellchecker)
Locale Name Telugu తెలుగు	Language Packs Language: తెలుగు (Telugu)	Dictionaries Telugu Spell Checker.
Locale Name Thai ไทย	Language Packs Language: ไทย (Thai)	Dictionaries
Locale Name Triqui Nánj nï'ïn	Language Packs Language: Triqui	Dictionaries
Locale Name Tsonga Xitsonga	Language Packs	Dictionaries Tsonga spell checker
Locale Name Tswana Setswana	Language Packs	Dictionaries Tswana spell checker
Locale Name Turkish Türkçe	Language Packs Language: Türkçe (Turkish)	Dictionaries Türkçe Yazım Denetimi
Locale Name Ukrainian Українська	Language Packs Language: Українська (Ukrainian)	Dictionaries Ukrainian dictionary
Locale Name Upper Sorbian Hornjoserbsce	Language Packs Language: Hornjoserbšćina (Upper Sorbian)	Dictionaries Upper Sorbian spelling dictionary Upper Sorbian Dictionary (soblex)
Locale Name Urdu اُردو	Language Packs Language: اردو (Urdu)	Dictionaries Urdu Dictionary
Locale Name Uzbek Oʻzbek tili	Language Packs Language: O‘zbek (Uzbek)	Dictionaries Uzbek Spell Checker (Uzbekistan)
Locale Name Venda Tshivenḓa	Language Packs	Dictionaries Venda spell checker
Locale Name Venetan Vèneto	Language Packs	Dictionaries Venetan
Locale Name Vietnamese Tiếng Việt	Language Packs Language: Tiếng Việt (Vietnamese)	Dictionaries Vietnamese Dictionary
Locale Name Welsh Cymraeg	Language Packs Language: Cymraeg (Welsh)	Dictionaries Geiriadur Cymraeg
Locale Name Wolof Wolof	Language Packs Language: Wolof	Dictionaries
Locale Name Xhosa isiXhosa	Language Packs Language: IsiXhosa (Xhosa)	Dictionaries Xhosa spell checker
Locale Name Zulu isiZulu	Language Packs	Dictionaries Zulu spell checker