French spelling dictionary
Spelling dictionary for the French language.
299,647 users
Language: 日本語 (Japanese)
Firefox Language Pack for 日本語 (ja) – Japanese
298,473 users
Language: Português (PT) (Portuguese)
Firefox Language Pack for Português (PT) (pt-PT) – Portuguese
292,328 users
Norton Password Manager
Norton Password Manager. Free password security you can trust.
286,810 users
280,804 users
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
277,105 users
Russian spellchecking dictionary
Russian spellchecking dictionary
277,061 users
Language: Українська (Ukrainian)
Firefox Language Pack for Українська (uk) – Ukrainian
276,866 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.
258,363 users
German Dictionary
German Dictionary (new Orthography) for spellchecking in Firefox
255,220 users
Language: Čeština (Czech)
Firefox Language Pack for Čeština (cs) – Czech
252,227 users
Language: 正體中文 (Traditional Chinese)
Firefox Language Pack for 正體中文 (zh-TW) – Traditional Chinese
245,881 users
Coupert - Automatic Coupon Finder & Cashback
Coupert automatically finds coupons, applies best coupon code at checkout & gives you cashback.
244,454 users
239,452 users
Language: Svenska (Swedish)
Firefox Language Pack for Svenska (sv-SE) – Swedish
237,851 users
235,533 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.
232,386 users
Language: Magyar (Hungarian)
Firefox Language Pack for Magyar (hu) – Hungarian
228,594 users
226,798 users
Language: Ελληνικά (Greek)
Firefox Language Pack for Ελληνικά (el) – Greek
225,927 users
Language: Suomi (Finnish)
Firefox Language Pack for Suomi (fi) – Finnish
225,227 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
223,022 users
Language: Català (Catalan)
Firefox Language Pack for Català (ca) – Catalan
217,903 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. V3.3.1 has 140 000+ new words and also fixes.
215,469 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
212,529 users