Language: Nederlands (Dutch)
Firefox Language Pack for Nederlands (nl) – Dutch
294,427 users
Language: 日本語 (Japanese)
Firefox Language Pack for 日本語 (ja) – Japanese
294,263 users
Language: Português (PT) (Portuguese)
Firefox Language Pack for Português (PT) (pt-PT) – Portuguese
281,983 users
Language: Українська (Ukrainian)
Firefox Language Pack for Українська (uk) – Ukrainian
276,010 users
Russian spellchecking dictionary
Russian spellchecking dictionary
274,967 users
Norton Password Manager
Norton Password Manager. Free password security you can trust.
274,127 users
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
272,730 users
267,812 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.
255,373 users
Language: Čeština (Czech)
Firefox Language Pack for Čeština (cs) – Czech
243,641 users
German Dictionary
German Dictionary (new Orthography) for spellchecking in Firefox
239,177 users
Language: 正體中文 (Traditional Chinese)
Firefox Language Pack for 正體中文 (zh-TW) – Traditional Chinese
237,983 users
Coupert - Automatic Coupon Finder & Cashback
Coupert automatically finds coupons, applies best coupon code at checkout & gives you cashback.
234,677 users
Language: Svenska (Swedish)
Firefox Language Pack for Svenska (sv-SE) – Swedish
229,826 users
228,275 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.
226,938 users
225,031 users
Language: Magyar (Hungarian)
Firefox Language Pack for Magyar (hu) – Hungarian
220,294 users
Language: Ελληνικά (Greek)
Firefox Language Pack for Ελληνικά (el) – Greek
218,987 users
218,436 users
Language: Suomi (Finnish)
Firefox Language Pack for Suomi (fi) – Finnish
216,047 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
215,207 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.
213,462 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
212,621 users
Language: Català (Catalan)
Firefox Language Pack for Català (ca) – Catalan
212,426 users