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United States English Spellchecker

This dictionary is no longer maintained. Use this dictionary instead.

Rated 4 out of 5 stars (207)
5,363 users

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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).

Rated 4 out of 5 stars (6)
754 users

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Romanian spellchecking dictionary

Romanian spellchecking dictionary for Firefox.

Rated 4 out of 5 stars (40)
4,562 users

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Türkçe Yazım Denetimi

Türkçe Yazım Denetimi
Turkish Spellchecker

Rated 5 out of 5 stars (39)
2,088 users

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German dictionary (de_AT)

German dictionary igerman98 (de_AT, Austria), for Firefox, Thunderbird und Seamonkey.

Rated 5 out of 5 stars (5)
3,248 users

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Croatian Dictionary (Hrvatski Rječnik)

Croatian Dictionary (Hrvatski Rječnik) for Mozilla Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (9)
4,395 users

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Lithuanian spelling check dictionary

Lithuanian spellchecking dictionary for Mozilla applications. Included by default in Lithuanian localized versions of Mozilla software.

Rated 5 out of 5 stars (5)
3,326 users

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Bulgarian Dictionary

Bulgarian spellchecking...

Rated 5 out of 5 stars (30)
4,590 users

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German dictionary (de_CH)

German dictionary igerman98 (de_CH, Switzerland), for Firefox, Thunderbird und Seamonkey.

Rated 5 out of 5 stars (4)
4,257 users

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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

Rated 5 out of 5 stars (7)
2,384 users

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Norsk bokmål ordliste

Norsk bokmål ordliste for Mozilla Firefox, Mozilla Thunderbird og SeaMonkey.

Rated 4 out of 5 stars (14)
2,685 users

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Latviešu valodas pareizrakstības pārbaudes vārdnīca

Latvian spellchecker

Rated 5 out of 5 stars (13)
3,030 users

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Latin Dictionary

Latin dictionary

Rated 5 out of 5 stars (8)
342 users

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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.

Rated 4 out of 5 stars (20)
769 users

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Vietnamese Dictionary

Enables spell checking in Vietnamese with a wordlist based on Hồ Ngọc Đức’s Free Vietnamese Dictionary Project.

Rated 5 out of 5 stars (26)
356 users

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Slovar za slovenski jezik

Spell-checking dictionary for the Slovene language

Rated 5 out of 5 stars (16)
2,940 users

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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!

Rated 5 out of 5 stars (4)
0 users

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CantoFish Requires Restart

CantoFish is a popup Cantonese-English dictionary for Firefox. It contains over 200,000 entries and works with both traditional and simplified Chinese characters. The Yale and Jyutping romanization systems are supported, as well as Mandarin pinyin.

Rated 5 out of 5 stars (29)
0 users

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Babylon Dictionary Word Search Requires Restart

Find the definition for a selected word in a web page or an email.
Right click over the selected word, choose the option "Search in Babylon" and that's it! You will have a new window with the definition of the selected word.

Rated 4 out of 5 stars (44)
5 users

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English-Russian dictionary

Spelling of English and Russian words

Rated 4 out of 5 stars (22)
2,359 users

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