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 Acholi (UG) Language Pack	Dictionaries
Locale Name Afrikaans Afrikaans	Language Packs Afrikaanse taalpak	Dictionaries Afrikaanse speltoetser
Locale Name Albanian Shqip	Language Packs Shqip Language Pack	Dictionaries Fjalori shqip
Locale Name Arabic عربي	Language Packs العربية Language Pack	Dictionaries Arabic spell-checking dictionary
Locale Name Aragonese aragonés	Language Packs Aragonese Language Pack	Dictionaries Corrector ortografico aragonés
Locale Name Armenian Հայերեն	Language Packs Armenian (hy-AM) Language Pack	Dictionaries Armenian spell checker dictionary
Locale Name Assamese অসমীয়া	Language Packs	Dictionaries Lachit - an Assamese Spell Checker
Locale Name Asturian Asturianu	Language Packs Asturianu Language Pack	Dictionaries Correutor ortográficu d'asturianu
Locale Name Azerbaijani Azərbaycanca	Language Packs Azerbaijani (AZ) Language Pack	Dictionaries Azerbaijani Spell Checker Azerbaijani Spellchecker
Locale Name Bambara Bamanankan	Language Packs	Dictionaries Bambara/Bamanakan
Locale Name Basque Euskara	Language Packs Basque Language Pack	Dictionaries Xuxen
Locale Name Belarusian Беларуская	Language Packs Беларуская Language Pack	Dictionaries Belarusian Spellcheck Dictionary Belarusian Dictionary (official 2008)
Locale Name Bengali বাংলা	Language Packs Bengali (Bangladesh) Language Pack	Dictionaries
Locale Name Bengali (Bangladesh) বাংলা (বাংলাদেশ)	Language Packs	Dictionaries Bengali (Bangladesh) Dictionary Bangla Banan Dictionary
Locale Name Bosnian Bosanski	Language Packs Bosanski Language Pack	Dictionaries
Locale Name Breton Brezhoneg	Language Packs Breton Language Pack for Firefox	Dictionaries Difazier An Drouizig
Locale Name Bulgarian Български	Language Packs български Language Pack	Dictionaries Bulgarian Dictionary
Locale Name Burmese မြန်မာဘာသာ	Language Packs Burmese (MY) Language Pack	Dictionaries
Locale Name Catalan Català	Language Packs Català Language Pack	Dictionaries Diccionari català (general)
Locale Name Catalan (Valencian) Català (Valencià)	Language Packs Català (Valencià) Language Pack	Dictionaries Diccionario ortográfico valenciano Diccionari valencià
Locale Name Chinese (Simplified) 中文 (简体)	Language Packs Chinese Simplified (zh-CN) Language Pack	Dictionaries
Locale Name Chinese (Traditional) 正體中文 (繁體)	Language Packs Traditional Chinese (zh-TW) Language Pack	Dictionaries
Locale Name Croatian Hrvatski	Language Packs Hrvatski (HR) Language Pack	Dictionaries Croatian Dictionary (Hrvatski Rječnik)
Locale Name Czech Čeština	Language Packs Czech (CZ) Language Pack	Dictionaries Český slovník pro kontrolu pravopisu Český slovník kontroly pravopisu (bez diakritiky) Český slovník pro kontrolu pravopisu (CC0)
Locale Name Danish Dansk	Language Packs Dansk (da) Language Pack	Dictionaries Dansk ordbog til stavekontrollen
Locale Name Dutch Nederlands	Language Packs Nederlands (NL) Language Pack	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 English (GB) Language Pack	Dictionaries British English Dictionary (Marco Pinto) British-English Dictionary (GB)
Locale Name English (Canadian) English (Canadian)	Language Packs English (CA) Language Pack	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 English (US) Language Pack	Dictionaries English United States Dictionary
Locale Name Esperanto Esperanto	Language Packs Esperanto Language Pack	Dictionaries Esperanta Vortaro
Locale Name Estonian Eesti keel	Language Packs Eesti (et) keele pakk	Dictionaries Eesti keele speller
Locale Name Finnish suomi	Language Packs Finnish Language Pack	Dictionaries
Locale Name French Français	Language Packs Français Language Pack	Dictionaries French spelling dictionary
Locale Name Frisian Frysk	Language Packs Frysk (fy) Language Pack	Dictionaries Frysk Wurdboek
Locale Name Friulian Furlan	Language Packs	Dictionaries Dizionari Furlan
Locale Name Fulah Pulaar-Fulfulde	Language Packs Pulaar Fulfulde Language Pack	Dictionaries
Locale Name Gaelic (Scotland) Gàidhlig	Language Packs Gàidhlig Language Pack	Dictionaries Scottish Gaelic spell checker
Locale Name Galician Galego	Language Packs Galician (Galicia) Language Pack	Dictionaries Corrector de Galego
Locale Name Georgian ქართული	Language Packs Georgian (ქართული) Language Pack	Dictionaries ქართული ორთოგრაფიული ლექსიკონი
Locale Name German Deutsch	Language Packs Deutsch (DE) Language Pack	Dictionaries
Locale Name German (Austria) Deutsch (Österreich)	Language Packs	Dictionaries Deutsches Wörterbuch, erweitert für Österreich Wörterbuch Deutsch (de_AT) Spellchecker Rumantsch Grischun
Locale Name German (Germany) Deutsch (Deutschland)	Language Packs	Dictionaries Deutsches Wörterbuch Wörterbuch Deutsch (de_DE) Deutsches Wörterbuch (de-DE), alte Rechtschreibung
Locale Name German (Switzerland) Deutsch (Schweiz)	Language Packs	Dictionaries Deutsches Wörterbuch (Schweiz) Wörterbuch Deutsch (de_CH)
Locale Name Greek Ελληνικά	Language Packs Greek (GR) Language Pack	Dictionaries Greek spellchecking dictionary English - Greek Spelling dictionary
Locale Name Guarani (Paraguay) GuaranÍ	Language Packs Guarani (Paraguay) Language Pack	Dictionaries
Locale Name Gujarati (India) ગુજરાતી (ભારત)	Language Packs Gujarati (IN) Language Pack	Dictionaries Gujarati Spell Checker (India)
Locale Name Hausa Hausa	Language Packs	Dictionaries Hausa Spelling Dictionary
Locale Name Hebrew עברית	Language Packs Hebrew (IL) Language Pack	Dictionaries Hebrew spell-checking dictionary (from HSpell)
Locale Name Hindi (India) हिन्दी (भारत)	Language Packs Hindi Language Pack	Dictionaries Hindi Spell Checker Hungarian Optional Accents Dictionary Hindi Spell Check
Locale Name Hungarian magyar	Language Packs Magyar nyelvi csomag	Dictionaries Hungarian Dictionary
Locale Name Icelandic íslenska	Language Packs Icelandic (IS) Language Pack	Dictionaries Icelandic Dictionary
Locale Name Indonesian Bahasa Indonesia	Language Packs Paket Bahasa Indonesia (ID) untuk Firefox	Dictionaries Kamus Pengecek Ejaan Bahasa Indonesia
Locale Name Interlingua Interlingua	Language Packs Interlingua Language Pack	Dictionaries Corrector orthographic de interlingua
Locale Name Irish Gaeilge	Language Packs Irish (IE) Language Pack	Dictionaries Litreoir GaelSpell do Mhozilla
Locale Name Italian Italiano	Language Packs Italiano (IT) Language Pack	Dictionaries Dizionario italiano
Locale Name Japanese 日本語	Language Packs Japanese Language Pack	Dictionaries
Locale Name Kabyle Taqbaylit	Language Packs Taqbaylit Language Pack	Dictionaries Imseɣti asnalɣan n tutlayt taqbaylit
Locale Name Kannada ಕನ್ನಡ	Language Packs Kannada (IN) Language Pack	Dictionaries Kannada Spell Checker
Locale Name Kaqchikel Maya Kaqchikel	Language Packs Kaqchikel (Guatemala) Language Pack	Dictionaries
Locale Name Kazakh Қазақ	Language Packs Kazakh (KZ) Language Pack	Dictionaries
Locale Name Khmer ខ្មែរ	Language Packs ខ្មែរ Language Pack	Dictionaries
Locale Name Korean 한국어	Language Packs Korean (KR) Language Pack	Dictionaries 한국어 맞춤법 검사기
Locale Name Kurdish Kurdî	Language Packs	Dictionaries Rastnivîs
Locale Name Lao ພາສາລາວ	Language Packs	Dictionaries Lao Spellchecking Dictionary
Locale Name Latin Latina	Language Packs	Dictionaries Latin Dictionary Zeiler-Sutto Latin Dictionary
Locale Name Latvian Latviešu	Language Packs saskarnes latviskojums	Dictionaries Latviešu valodas pareizrakstības pārbaudes vārdnīca
Locale Name Ligurian Ligure	Language Packs Ligure (lij) Language Pack	Dictionaries
Locale Name Lingala Lingála	Language Packs	Dictionaries Lingala spell checker (Hunspell ln-CD)
Locale Name Lithuanian lietuvių kalba	Language Packs Lietuvių Language Pack	Dictionaries Lithuanian spelling check dictionary
Locale Name Lower Sorbian Dolnoserbšćina	Language Packs Dolnoserbšćina Language Pack	Dictionaries Lower Sorbian dictionary
Locale Name Macedonian Македонски	Language Packs Македонски Language Pack	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 Bahasa Melayu (ms) Language Pack	Dictionaries MyEja Generasi Kedua
Locale Name Maori (Aotearoa) Māori (Aotearoa)	Language Packs	Dictionaries Te Papakupu Māori
Locale Name Marathi मराठी	Language Packs Marathi Language Pack	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 अंग्रेजी (US) Language Pack	Dictionaries Nepali Dictionary
Locale Name Northern Sotho Sepedi	Language Packs	Dictionaries Northern Sotho spell checker
Locale Name Norwegian (Bokmål) Norsk bokmål	Language Packs Norsk bokmål (NO) Language Pack	Dictionaries Norsk bokmål ordliste
Locale Name Norwegian (Nynorsk) Norsk nynorsk	Language Packs Norsk nynorsk (NO) Language Pack	Dictionaries Norsk nynorsk ordliste
Locale Name Occitan occitan	Language Packs Occitan (lengadocian) Language Pack	Dictionaries Dictionnaire occitan gascon Dictionnaire occitan languedocien Diccionari occitan lengadocian Corrector ortográfico de Aranés
Locale Name Oriya ଓଡ଼ିଆ	Language Packs	Dictionaries Oriya Spell Checker Odia Spelling Checker
Locale Name Persian فارسی	Language Packs ‪Persian (IR) — ‫فارسی (ایران)‬‬ Language Pack	Dictionaries غلطگیر املایی
Locale Name Persian (Iran) (ایران) فارسی	Language Packs	Dictionaries Lilak, Persian Spell Checker Dictionary Lilak
Locale Name Polish Polski	Language Packs Polski Language Pack	Dictionaries Polski slownik poprawnej pisowni
Locale Name Portuguese (Brazilian) Português (do Brasil)	Language Packs Interface Português/Brasil [pt-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 Português Portugal Language Pack	Dictionaries Corretor para Português de Portugal
Locale Name Punjabi (India) ਪੰਜਾਬੀ (ਭਾਰਤ)	Language Packs Punjabi (Gurmukhi) Language Pack	Dictionaries Punjabi Spell Checker
Locale Name Romanian Română	Language Packs Interfaţă în română pentru Firefox (romanian)	Dictionaries Corector ortografic pentru limba română
Locale Name Romansh rumantsch	Language Packs Rumantsch Language Pack	Dictionaries
Locale Name Russian Русский	Language Packs Russian (RU) Language Pack	Dictionaries Русский словарь проверки орфографии Russian Hunspell dictionary Russian-English Dictionary Словарь орфографии Вики
Locale Name Sanskrit संस्कृत	Language Packs	Dictionaries Sanskrit Spell Checker
Locale Name Scots Scots	Language Packs Scots Language Pack	Dictionaries
Locale Name Serbian Српски	Language Packs српски (sr) Language Pack	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 Ślōnski Language Pack	Dictionaries
Locale Name Sinhala සිංහල	Language Packs Sinhala (LK) Language Pack	Dictionaries
Locale Name Siswati siSwati	Language Packs	Dictionaries Swati spell checker
Locale Name Slovak slovenčina	Language Packs Slovak (SK) Language Pack	Dictionaries Slovenské slovníky na kontrolu preklepov Slovenská kontrola preklepov (bez diakritiky)
Locale Name Slovenian Slovenščina	Language Packs Slovenski jezik Language Pack	Dictionaries Slovar za slovenski jezik
Locale Name Songhai Soŋay	Language Packs Soŋay Language Pack	Dictionaries Soŋay senni hantum tenjandikaw
Locale Name Southern Sotho Sesotho	Language Packs	Dictionaries Southern Sotho spell checker
Locale Name Spanish Español	Language Packs	Dictionaries Diccionario en español para Venezuela
Locale Name Spanish (Argentina) Español (de Argentina)	Language Packs Español (AR) Language Pack	Dictionaries Diccionario español Argentina
Locale Name Spanish (Chile) Español (de Chile)	Language Packs Pack de idioma Español (Chile)	Dictionaries Diccionario de Español/Chile
Locale Name Spanish (Mexico) Español (de México)	Language Packs Español (México) Language Pack	Dictionaries Diccionario español México Spanish (Mexico) Dictionary
Locale Name Spanish (Spain) Español (de España)	Language Packs Español (España) Language Pack	Dictionaries Diccionario de Español/España
Locale Name Swahili Kiswahili	Language Packs	Dictionaries Kiswahili Spell Checker
Locale Name Swedish Svenska	Language Packs Svenska (SE) Language Pack	Dictionaries Svenska Fria Ordlistan
Locale Name Tagalog Tagalog	Language Packs Tagalog (tl) Language Pack	Dictionaries
Locale Name Tamil தமிழ்	Language Packs Tamil Language Pack	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 Telugu (IN) Language Pack	Dictionaries Telugu Spell Checker.
Locale Name Thai ไทย	Language Packs Thai Language Pack	Dictionaries
Locale Name Triqui Nánj nï'ïn	Language Packs Triqui (trs) Language Pack	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 Türkçe (TR) Language Pack	Dictionaries Türkçe Yazım Denetimi
Locale Name Ukrainian Українська	Language Packs Український переклад Firefox	Dictionaries Український словник
Locale Name Upper Sorbian Hornjoserbsce	Language Packs Hornjoserbšćina Language Pack	Dictionaries Upper Sorbian spelling dictionary Upper Sorbian Dictionary (soblex)
Locale Name Urdu اُردو	Language Packs اردو (پاکستان) Language Pack	Dictionaries Urdu Dictionary
Locale Name Uzbek Oʻzbek tili	Language Packs Uzbek Language Pack	Dictionaries Uzbek Spell Checker (Uzbekistan)
Locale Name Venda Tshivenḓa	Language Packs	Dictionaries Venda spell checker
Locale Name Venetan Vèneto	Language Packs	Dictionaries Dizionario di lingua veneta
Locale Name Vietnamese Tiếng Việt	Language Packs Vietnamese Language Pack	Dictionaries Từ điển tiếng Việt
Locale Name Welsh Cymraeg	Language Packs Cymraeg Language Pack	Dictionaries Geiriadur Cymraeg
Locale Name Xhosa isiXhosa	Language Packs Xhosa Language Pack	Dictionaries Xhosa spell checker
Locale Name Zulu isiZulu	Language Packs	Dictionaries Zulu spell checker