Language: Nederlands (Dutch)
Firefox Language Pack for Nederlands (nl) – Dutch
293,405 users
Language: 日本語 (Japanese)
Firefox Language Pack for 日本語 (ja) – Japanese
292,103 users
Language: Português (PT) (Portuguese)
Firefox Language Pack for Português (PT) (pt-PT) – Portuguese
282,340 users
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
275,461 users
Language: Українська (Ukrainian)
Firefox Language Pack for Українська (uk) – Ukrainian
274,429 users
Norton Password Manager
Norton Password Manager. Free password security you can trust.
270,827 users
Russian spellchecking dictionary
Russian spellchecking dictionary
266,941 users
265,262 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.
257,040 users
German Dictionary
German Dictionary (new Orthography) for spellchecking in Firefox
248,276 users
Language: Čeština (Czech)
Firefox Language Pack for Čeština (cs) – Czech
240,312 users
Coupert - Automatic Coupon Finder & Cashback
Coupert automatically finds coupons, applies best coupon code at checkout & gives you cashback.
236,138 users
Language: 正體中文 (Traditional Chinese)
Firefox Language Pack for 正體中文 (zh-TW) – Traditional Chinese
235,669 users
Language: Svenska (Swedish)
Firefox Language Pack for Svenska (sv-SE) – Swedish
226,330 users
225,856 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.
225,070 users
222,902 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
220,579 users
Language: Magyar (Hungarian)
Firefox Language Pack for Magyar (hu) – Hungarian
219,476 users
216,621 users
Language: Ελληνικά (Greek)
Firefox Language Pack for Ελληνικά (el) – Greek
214,787 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. V3.3.3 has 140 000+ new words and also fixes.
213,556 users
Language: Suomi (Finnish)
Firefox Language Pack for Suomi (fi) – Finnish
213,321 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
212,334 users
Firefox Relay
Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail.
210,658 users