Language: 日本語 (Japanese)
Firefox Language Pack for 日本語 (ja) – Japanese
301,278 users
Language: Nederlands (Dutch)
Firefox Language Pack for Nederlands (nl) – Dutch
301,015 users
Language: Português (PT) (Portuguese)
Firefox Language Pack for Português (PT) (pt-PT) – Portuguese
296,611 users
Language: Українська (Ukrainian)
Firefox Language Pack for Українська (uk) – Ukrainian
285,896 users
Russian spellchecking dictionary
Russian spellchecking dictionary
284,540 users
Norton Password Manager
Norton Password Manager. Free password security you can trust.
281,626 users
279,474 users
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
276,760 users
Zoom Extension
Recommended, support FireFox 45+. The Zoom Firefox Extension allows participants to schedule Zoom cloud meetings directly from Google Calendar. you can start an instant meeting or schedule a future meeting via a button.
263,062 users
Language: Čeština (Czech)
Firefox Language Pack for Čeština (cs) – Czech
250,628 users
German Dictionary
German Dictionary (new Orthography) for spellchecking in Firefox
248,630 users
Language: 正體中文 (Traditional Chinese)
Firefox Language Pack for 正體中文 (zh-TW) – Traditional Chinese
244,595 users
Coupert - Automatic Coupon Finder & Cashback
Coupert automatically finds coupons, applies best coupon code at checkout & gives you cashback.
241,108 users
238,165 users
Language: Svenska (Swedish)
Firefox Language Pack for Svenska (sv-SE) – Swedish
236,347 users
235,264 users
Google Translator for Firefox
With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.
232,562 users
228,930 users
Language: Magyar (Hungarian)
Firefox Language Pack for Magyar (hu) – Hungarian
226,554 users
Language: Ελληνικά (Greek)
Firefox Language Pack for Ελληνικά (el) – Greek
226,009 users
Language: Suomi (Finnish)
Firefox Language Pack for Suomi (fi) – Finnish
222,580 users
Language: Català (Catalan)
Firefox Language Pack for Català (ca) – Catalan
221,530 users
British English Dictionary (Marco Pinto)
A fork of Mark Tyndall's add-on, based on David Bartlett's British Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey. V3.3.2 has 140 000+ new words and also fixes.
219,029 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
218,532 users
Keepa.com - Amazon Price Tracker
→ Price History charts → Price Drop & Availability Alerts → Over 1 billion tracked products → Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .it | .es | .in | .mx
216,548 users