Language: Ελληνικά (Greek)
Firefox Language Pack for Ελληνικά (el) – Greek
206,991 users
Language: Norsk Bokmål (Norwegian Bokmål)
Firefox Language Pack for Norsk Bokmål (nb-NO) – Norwegian Bokmål
199,808 users
Language: Dansk (Danish)
Firefox Language Pack for Dansk (da) – Danish
199,281 users
Language: Indonesia (Indonesian)
Firefox Language Pack for Indonesia (id) – Indonesian
196,340 users
Language: 한국어 (Korean)
Firefox Language Pack for 한국어 (ko) – Korean
195,338 users
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
192,792 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
187,155 users
Browsing Protection by F-Secure
Extension for protecting encrypted browsing with security products by F-Secure.
186,992 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.
186,989 users
Language: Türkçe (Turkish)
Firefox Language Pack for Türkçe (tr) – Turkish
184,285 users
Language: Български (Bulgarian)
Firefox Language Pack for Български (bg) – Bulgarian
182,514 users
German Dictionary (Switzerland)
Dictionary with Swiss variants of German words for spellchecking in Firefox.
179,932 users
German Dictionary, extended for Austria
German dictionary ("new" orthography) for spellchecking in Firefox, extended with Austrian words
179,463 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.
179,258 users
Language: Slovenčina (Slovak)
Firefox Language Pack for Slovenčina (sk) – Slovak
177,765 users
Pinterest Save Button
Save your favorite ideas online so you can easily get back to them later.
173,496 users
Language: ไทย (Thai)
Firefox Language Pack for ไทย (th) – Thai
168,646 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.
165,172 users
Language: עברית (Hebrew)
Firefox Language Pack for עברית (he) – Hebrew
164,986 users
164,331 users
Hoxx VPN Proxy
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
163,519 users
Language: Lietuvių (Lithuanian)
Firefox Language Pack for Lietuvių (lt) – Lithuanian
163,214 users
Language: Cрпски (Serbian)
Firefox Language Pack for Cрпски (sr) – Serbian
162,479 users
FireShot: Full Web Page Screenshots (♥♥♥♥♥)
FireShot makes full page screen captures - http://bit.ly/RlBQMV Screenshots are quickly captured and: ― Saved as Image / PDF with links and text ― Sent to clipboard ― Printed Capture all open tabs or provide a list of the URLs for grabbing
162,199 users
Language: Slovenščina (Slovenian)
Firefox Language Pack for Slovenščina (sl) – Slovenian
162,009 users