Language: Čeština (Czech)
Firefox Language Pack for Čeština (cs) – Czech
238,140 users
German Dictionary
German Dictionary (new Orthography) for spellchecking in Firefox
234,663 users
Language: 正體中文 (Traditional Chinese)
Firefox Language Pack for 正體中文 (zh-TW) – Traditional Chinese
233,832 users
Coupert - Automatic Coupon Finder & Cashback
Coupert automatically finds coupons, applies best coupon code at checkout & gives you cashback.
229,599 users
Language: Svenska (Swedish)
Firefox Language Pack for Svenska (sv-SE) – Swedish
225,002 users
224,469 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.
222,136 users
221,216 users
Language: Magyar (Hungarian)
Firefox Language Pack for Magyar (hu) – Hungarian
217,296 users
ClearURLs
Removes tracking elements from URLs
213,494 users
Language: Suomi (Finnish)
Firefox Language Pack for Suomi (fi) – Finnish
212,541 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
210,964 users
Tree Style Tab
Show tabs like a tree.
210,751 users
210,380 users
DownThemAll!
The Mass Downloader for your browser
209,069 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.
207,840 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
207,800 users
Language: Català (Catalan)
Firefox Language Pack for Català (ca) – Catalan
207,599 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.
206,015 users
Language: Ελληνικά (Greek)
Firefox Language Pack for Ελληνικά (el) – Greek
205,740 users
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
205,587 users
Language: Norsk Bokmål (Norwegian Bokmål)
Firefox Language Pack for Norsk Bokmål (nb-NO) – Norwegian Bokmål
198,496 users
Language: Dansk (Danish)
Firefox Language Pack for Dansk (da) – Danish
197,554 users
Language: Indonesia (Indonesian)
Firefox Language Pack for Indonesia (id) – Indonesian
195,052 users
Language: 한국어 (Korean)
Firefox Language Pack for 한국어 (ko) – Korean
194,072 users