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Locale Switcher Requires Restart

Displays a menu item for switching the application locale.

Rated 4 out of 5 stars (26)
44,861 users

One-Click Translate Page

A basic Mozilla Firefox Add-On. Press the Translate button and the current page will open in Google Translate in your chosen language.

Rated 4 out of 5 stars (1)
1,749 users

Finnish spellchecker Requires Restart

Finnish open source Voikko-spellchecker for Mozilla and needed libraries.

Rated 4 out of 5 stars (98)
7,752 users

Instant Translate: Select and Translate

Translation, text-to-speech, transliteration on pages and in the pop-up for 100+ languages.

Rated 4 out of 5 stars (26)
6,548 users

Grammarly for Firefox

Grammarly’s free spelling and grammar checker ensures that everything you type is easy to read, effective, and mistake-free. As you type, Grammarly underlines spelling mistakes and grammatical errors and helps you fix them on the fly.

Rated 3 out of 5 stars (41)
99,027 users

Speechify

An add-on to convert your text to speech

Rated 5 out of 5 stars (16)
2,059 users

Grammalecte [fr]

French grammar checker.
Included: conjugation tool, lexicographer, text formatter and spelling dictionaries.

Rated 5 out of 5 stars (6)
3,663 users

FoxVox Requires Restart

FoxVox will speak any text you highlight in a web page. FoxVox can also create audiobooks in mp3, ogg, and wav formats. You can now easily turn your blogs and articles into podcasts.

Rated 4 out of 5 stars (44)
3,440 users

Abadis Persian Dictionary Requires Restart

Abadis Online Dictionary And Translator
Abadis Dictionary send text to 2 sites for translate.
sites: dictionary.abadis.ir, translate.google.com
Aside from the previous, Abadis does not collect or sends any other data to anybody.

Not yet rated
1,956 users

Yamli Smart Arabic Keyboard Requires Restart

Write Arabic anywhere on the web using Yamli's Smart Arabic Keyboard. Also use Yamli's powerful Arabic search directly from the browser.

Rated 4 out of 5 stars (37)
2,304 users

Portail lexical du CNRTL Requires Restart

Une barre d'outil pour le portail lexical du CNRTL

Rated 5 out of 5 stars (2)
2,485 users

Zotero bibliography Locale Switcher Requires Restart

This add-ons add a sub menu in Zotero to change the bibliography export locale.

Rated 5 out of 5 stars (4)
4,586 users

Google Selection Translate - For AltKey

Selecting text and holding alt key, translated results will show up on current web pages. No need to leave current web pages. Translate results come from Google Translate.

Rated 4 out of 5 stars (8)
13,134 users

Rikaichan Japanese-French Dictionary File Requires Restart

A dictionary file for Rikaichan.

Not yet rated
2,827 users

Translate to Korean Requires Restart

Adds a Korean Translate option to the Toolbar menu and Context(Right Click) Menu of Firefox.

Rated 4 out of 5 stars (21)
1,468 users

Language Manager Requires Restart

Language Manager, Designed to manage language packs for Firefox web browsers this easy to use utility make it easy to manage installed language packs and always have the latest language pack installed.

Rated 4 out of 5 stars (8)
12,122 users

Text-to-Speech (Google™ & HTML5)

Google™ Text-to-Speech is a text to speech engine with natural sounding voices.

Rated 4 out of 5 stars (38)
6,790 users

IME Area Requires Restart

"IME Area" changes background color of textarea when IME is opened.

Rated 5 out of 5 stars (2)
3,377 users

EHTip Requires Restart

Word translation in tooltip with English⟷Croatian dictionary already incorporated.

Rated 5 out of 5 stars (67)
2,838 users

French Dictionary for Spelling Requires Restart

Supports also the Nighty browser! This is a French Spelling dictionary, for finding spelling mistakes.
Select a text in French appearing on any web page and get a spelling check for it immediately!

Rated 4 out of 5 stars (9)
4,649 users