French spelling dictionary
Spelling dictionary for the French language.
287,260 users
Language: 日本語 (Japanese)
Firefox Language Pack for 日本語 (ja) – Japanese
286,856 users
Language: Português (PT) (Portuguese)
Firefox Language Pack for Português (PT) (pt-PT) – Portuguese
283,870 users
Norton Password Manager
Norton Password Manager. Free password security you can trust.
280,569 users
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
277,639 users
Language: Українська (Ukrainian)
Firefox Language Pack for Українська (uk) – Ukrainian
269,761 users
269,004 users
Russian spellchecking dictionary
Russian spellchecking dictionary
268,203 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.
256,880 users
Language: Čeština (Czech)
Firefox Language Pack for Čeština (cs) – Czech
242,200 users
German Dictionary
German Dictionary (new Orthography) for spellchecking in Firefox
241,798 users
Language: 正體中文 (Traditional Chinese)
Firefox Language Pack for 正體中文 (zh-TW) – Traditional Chinese
237,698 users
Coupert - Automatic Coupon Finder & Cashback
Coupert automatically finds coupons, applies best coupon code at checkout & gives you cashback.
235,971 users
230,044 users
Language: Svenska (Swedish)
Firefox Language Pack for Svenska (sv-SE) – Swedish
229,245 users
226,557 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.
224,796 users
Language: Magyar (Hungarian)
Firefox Language Pack for Magyar (hu) – Hungarian
220,731 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
216,160 users
Language: Suomi (Finnish)
Firefox Language Pack for Suomi (fi) – Finnish
216,152 users
214,855 users
Language: Català (Catalan)
Firefox Language Pack for Català (ca) – Catalan
211,396 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.
211,136 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.
210,675 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
209,679 users