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Arabic spell-checking dictionary
Arabic spell-checking dictionary for Firefox 3 and Thunderbird 3 from Ayaspell.
United States English Spellchecker
This dictionary is no longer maintained. Use this dictionary instead.
Brazilian Portuguese Dictionary (Former Spelling)
The same spellchecker shipped with the Brazilian version of Firefox, just using the former spelling (which is valid until January 1st 2016).
Romanian spellchecking dictionary
German dictionary (de_AT)
German dictionary igerman98 (de_AT, Austria), for Firefox, Thunderbird und Seamonkey.
Thesaurus - Reference.com
Croatian Dictionary (Hrvatski Rječnik)
Croatian Dictionary (Hrvatski Rječnik) for Mozilla Firefox, Thunderbird and SeaMonkey
Lithuanian spelling check dictionary
Lithuanian spellchecking dictionary for Mozilla applications. Included by default in Lithuanian localized versions of Mozilla software.
German dictionary (de_CH)
German dictionary igerman98 (de_CH, Switzerland), for Firefox, Thunderbird und Seamonkey.
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
Norsk bokmål ordliste
Norsk bokmål ordliste for Mozilla Firefox, Mozilla Thunderbird og SeaMonkey.
Translate.Ru
Quick and right translation of single words, phrases and even whole sentences for English, German, French, Spanish, Portuguese, Italian and Russian. Look-up in general-purpose and specialized PROMT dictionaries, transcription and pronunciation.
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.
Vietnamese Dictionary
Enables spell checking in Vietnamese with a wordlist based on Hồ Ngọc Đức’s Free Vietnamese Dictionary Project.
Slovar za slovenski jezik
dictCheck
Requires Restart
dictCheck - Double click on any english word in a page to get the polish meaning. Uses fast online dictionary.
Simple and easy! Enjoy!
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