Language: Nederlands (Dutch)
Firefox Language Pack for Nederlands (nl) – Dutch
308,044 users
Language: 日本語 (Japanese)
Firefox Language Pack for 日本語 (ja) – Japanese
304,095 users
Language: Português (PT) (Portuguese)
Firefox Language Pack for Português (PT) (pt-PT) – Portuguese
299,735 users
Norton Password Manager
Norton Password Manager. Free password security you can trust.
290,124 users
288,178 users
Language: Українська (Ukrainian)
Firefox Language Pack for Українська (uk) – Ukrainian
286,961 users
Russian spellchecking dictionary
Russian spellchecking dictionary
282,837 users
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
278,949 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.
263,315 users
German Dictionary
German Dictionary (new Orthography) for spellchecking in Firefox
263,212 users
Language: Čeština (Czech)
Firefox Language Pack for Čeština (cs) – Czech
257,595 users
Language: 正體中文 (Traditional Chinese)
Firefox Language Pack for 正體中文 (zh-TW) – Traditional Chinese
250,605 users
Coupert - Automatic Coupon Finder & Cashback
Coupert automatically finds coupons, applies best coupon code at checkout & gives you cashback.
248,816 users
245,671 users
Language: Svenska (Swedish)
Firefox Language Pack for Svenska (sv-SE) – Swedish
242,798 users
241,786 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.
236,245 users
233,920 users
Language: Magyar (Hungarian)
Firefox Language Pack for Magyar (hu) – Hungarian
233,163 users
Language: Ελληνικά (Greek)
Firefox Language Pack for Ελληνικά (el) – Greek
230,717 users
Language: Suomi (Finnish)
Firefox Language Pack for Suomi (fi) – Finnish
229,870 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
227,327 users
Language: Català (Catalan)
Firefox Language Pack for Català (ca) – Catalan
225,086 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.
220,115 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
214,835 users