Language: Català (Catalan)
Firefox Language Pack for Català (ca) – Catalan
204,884 users
Language: Norsk Bokmål (Norwegian Bokmål)
Firefox Language Pack for Norsk Bokmål (nb-NO) – Norwegian Bokmål
200,514 users
Language: Dansk (Danish)
Firefox Language Pack for Dansk (da) – Danish
200,179 users
Language: Indonesia (Indonesian)
Firefox Language Pack for Indonesia (id) – Indonesian
197,847 users
Language: 한국어 (Korean)
Firefox Language Pack for 한국어 (ko) – Korean
195,252 users
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
192,364 users
Browsing Protection by F-Secure
Extension for protecting encrypted browsing with security products by F-Secure.
189,521 users
Video Downloader professional
- download and save videos embedded into a website to your hard disk - add youtube, vimeo and other videos easily to your video list - supports up to 4k videos
187,485 users
React Developer Tools
React Developer Tools is a tool that allows you to inspect a React tree, including the component hierarchy, props, state, and more. To get started, just open the Firefox devtools and switch to the "⚛️ Components" or "⚛️ Profiler" tab.
185,213 users
German Dictionary (Switzerland)
Dictionary with Swiss variants of German words for spellchecking in Firefox.
184,909 users
German Dictionary, extended for Austria
German dictionary ("new" orthography) for spellchecking in Firefox, extended with Austrian words
184,322 users
Language: Türkçe (Turkish)
Firefox Language Pack for Türkçe (tr) – Turkish
183,717 users
Language: Български (Bulgarian)
Firefox Language Pack for Български (bg) – Bulgarian
181,365 users
Avast Online Security & Privacy
Secure your Mozilla Firefox browser against real-time online threats, trackers, and scams. We’ll check every site you visit, from Facebook to your bank, so nothing puts you or your data at risk. Join a growing community of 400 million Avast users.
180,119 users
Language: Slovenčina (Slovak)
Firefox Language Pack for Slovenčina (sk) – Slovak
177,547 users
Pinterest Save Button
Save your favorite ideas online so you can easily get back to them later.
173,862 users
Language: ไทย (Thai)
Firefox Language Pack for ไทย (th) – Thai
168,340 users
164,735 users
Language: עברית (Hebrew)
Firefox Language Pack for עברית (he) – Hebrew
164,650 users
Hoxx VPN Proxy
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
164,476 users
Maps Assist & Custom Web Search
Install the Maps Assist & Custom Web Search extension to get directions by clicking the favicon on the toolbar & enjoy Yahoo® search from your browser.
163,190 users
Language: Lietuvių (Lithuanian)
Firefox Language Pack for Lietuvių (lt) – Lithuanian
162,857 users
Language: Cрпски (Serbian)
Firefox Language Pack for Cрпски (sr) – Serbian
161,946 users
Language: Slovenščina (Slovenian)
Firefox Language Pack for Slovenščina (sl) – Slovenian
161,552 users
Language: فارسی (Persian)
Firefox Language Pack for فارسی (fa) – Persian
161,240 users