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Brazilian Portuguese Dictionary (New Spelling)

The same spellchecker shipped with the Brazilian version of Firefox.

Rated 4 out of 5 stars (46)

8,154 users

Deutsches Wörterbuch (de-DE), alte Rechtschreibung

Wörterbuch deutsch (alte Rechtschreibung) für die Rechtschreibprüfung in Firefox und Thunderbird + alte Rechtschreibung + bisherige Rechtschreibung + klassische Rechtschreibung + bewährte Rechtschreibung + unreformierte Qualitätsrechtschreibung +

Rated 5 out of 5 stars (20)

9,312 users

United States English Spellchecker

This dictionary is no longer maintained.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

Rated 4 out of 5 stars (207)

5,252 users

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)

774 users

Deutsches Wörterbuch, klassisch und reformiert

Deutsches Wörterbuch nach den bewährten oder reformierten Regeln für die Rechtschreibprüfung in Firefox und Thunderbird
+ klassische Rechtschreibung + alte Rechtschreibung + neue Rechtschreibung + aktuelle Rechtschreibung

Rated 5 out of 5 stars (7)

2,271 users

Kamus Pengecek Ejaan Bahasa Indonesia

Spell checker dictionaries for Bahasa Indonesia

Rated 4 out of 5 stars (16)

463 users

한국어 맞춤법 검사기

한국어 맞춤법 검사기

Rated 5 out of 5 stars (12)

404 users

Slovenské slovníky na kontrolu preklepov

Umožňuje kontrolu preklepov (spellcheck) v programoch od Mozilly. Založené na slovníkoch projektu http://sk-spell.sk.cx/. Verzia bez diakritiky je na https://addons.thunderbird.net/en-US/thunderbird/addon/sk-spell-ascii/

Rated 4 out of 5 stars (6)

3,172 users

Urdu Dictionary

This dictionary is based on the urdu word list provided at www.crulp.org and the word list compiled by our friends at http://www.urduweb.org/mehfil/

Rated 4 out of 5 stars (16)

22 users

Finnish Spellchecker

Finnish (fi-FI) spellchecker dictionary for Firefox, Thunderbird and SeaMonkey .

Rated 3 out of 5 stars (9)

415 users

Русский словарь для проверки правописания (Ё)(АОТ)

Русский орфографический словарь. Основан на работе группы AOT.ru.
Версия словаря "только с ё"

Rated 5 out of 5 stars (4)

105 users

Correcteur Occitan-Languedocien

Correcteur orthographique Occitan Languedocien
Corregidor ortografic Occitan lengadocian

Rated 3 out of 5 stars (3)

52 users

Correutor ortográficu d'asturianu

Asturian spellchecking dictionary

Rated 4 out of 5 stars (7)

40 users

Hausa Spelling Dictionary

Hausa spelling dictionary

Rated 4 out of 5 stars (2)

3 users

Scottish Gaelic spell checker

An open (traditional spellings and GOC inclusive) spell-checking addon for Scots Gaelic, which will correct over 1.7 million words, making it the biggest spell-checking dictionary to date.

Rated 5 out of 5 stars (2)

50 users

Kurdish Sorani Spellchecker

Kurdish Sorani Spellchecker for Firefox, Thunderbird and SeaMonkey by Dr Yadgar Balaky and Ranjbar Balisane.
To enable, right-click in a multi-line text box, select "Languages", then "ku-CKB".

Not yet rated

1 user

Словникъ Български

This is a Bulgarian spell-checker based on the historic orthography from 1899 known as "Ivanchevski pravopis". It is using the Mozilla built-in spell-checking engine (hunspell).

Rated 5 out of 5 stars (4)

10 users

British-English Dictionary (GB)

A strict British-English spell checker dictionary for Firefox, Thunderbird and SeaMonkey. This dictionary only includes words conforming to the preferred standard of British-English spelling.

Rated 5 out of 5 stars (1)

22,361 users

Tagalog/Filipino Dictionary

A Tagalog/Filipino Dictionary (tl) for Pale Moon, Firefox, Thunderbird, and SeaMonkey.

Not yet rated

1 user

Khmer Spellchecker

Khmer (km-KH) spellchecker by Tim Boeun.

Rated 5 out of 5 stars (2)

8 users