Arabic spell-checking dictionary
Arabic spell-checking dictionary for Firefox 3 and Thunderbird 3 from Ayaspell.
27,013 users
Hebrew spell-checking dictionary (from HSpell)
Hebrew spell-checking dictionary for Firefox and Thunderbird. Generated from data of the HSpell project version 1.4, and distributed freely under the AGPLv3.
4,272 users
Grammar and Spell Checker - LanguageTool
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
344,509 users
Slovak spell checking dictionary
Slovak spell checking dictionary for Mozilla applications (based on the "open-source" dictionaries by Zdenko Podobný).
9,139 users
Polish Spellchecker Dictionary
Polish spell-check dictionary for Firefox, Thunderbird and SeaMonkey.
74,451 users
Persian Dictionary
Persian dictionary for spell checking
15,742 users
Slovar za slovenski jezik
Spell-checking dictionary for the Slovene language
4,554 users
Lithuanian spelling check dictionary
Lithuanian spellchecking dictionary for Mozilla applications, maintained by the ispell-lt project. Included by default in Lithuanian localized versions of Mozilla software.
7,916 users
English - Greek Spelling dictionary
English-Greek spell-checking dictionary for Firefox, Mozilla thunderbird and Seamonkey mail for easier spell checking in bilingual text.If you need better spelling results try the respective stand-alone...
3,363 users
German Dictionary, classical spelling standards
German Dictionary according to the classical spelling standards for spell-checking in Firefox and Thunderbird
5,741 users
Spanish (Venezuela) spell check dictionary
Diccionario en español para Venezuela. - Corrector Ortográfico (Spell Checker) - Tesauro de Sinónimos (Thesaurus) - Separación Silábica (Hyphenation) ¡Hecho en Venezuela!
12,674 users
Swedish Dictionary
Swedish spell-check dictionary.
21,277 users
Vietnamese Dictionary
Enables spell checking in Vietnamese with a wordlist based on Hồ Ngọc Đức’s Free Vietnamese Dictionary Project.
9,962 users
ქართული ორთოგრაფიული ლექსიკონი
ქართული ორთოგრაფიული ლექსიკონი - Georgian spell checking dictionary. Please help improving: https://gabriel.margiani.ch/ka_ge.spell and https://github.com/gamag/ka_GE.spell With words from word lists by Dato Bumbeishvili and Kevin Scannell.
365 users
Bengali (Bangladesh) Dictionary
Bengali Bangladesh (bn-BD) spell checking dictionary.
1,279 users
Automatic Spelling Language
Automatically changes the dictionary used for spell checking based on the language of text in input fields.
576 users
German Dictionary (de-DE), classical and reformed
German Dictionary according to the classical or reformed spelling standards for spell-checking in Firefox and Thunderbird ++ Deutsches Wörterbuch nach den bewährten oder reformierten Regeln für die Rechtschreibprüfung in Firefox und Thunderbird
609 users
Spanish (Spain) Dictionary
Spanish/Spain Dictionary
109,915 users
Srpski
Spell check dictionary for Serbian (Cyrillic and Latin)
280 users
Medical Spell Checker with OpenMedSpel
OpenMedSpel for Mozilla Firefox is free and open source medical spell checking dictionary that includes nearly 50,000 medical terms ranging from abdominis to zygomatic.
169 users
Language: Українська (Ukrainian)
Firefox Language Pack for Українська (uk) – Ukrainian
266,877 users
English (US) Dictionary
English (US) dictionary based on the official Mozilla dictionary.
129,793 users
Lojban spell check dictionary
Spell check dictionary for Lojban.
6 users
Greek - English (US) Spelling dictionary
Combined Greek - English (US) spell checking dictionary for Firefox - Thunderbird - Seamonkey
378 users
Swedish (Finland) Dictionary
Swedish spell-check dictionary for the sv_FI locale.
18 users