Language: Norsk Bokmål (Norwegian Bokmål)
Firefox Language Pack for Norsk Bokmål (nb-NO) – Norwegian Bokmål
213,783 users
Language: Dansk (Danish)
Firefox Language Pack for Dansk (da) – Danish
212,742 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.
212,247 users
Language: 한국어 (Korean)
Firefox Language Pack for 한국어 (ko) – Korean
208,122 users
Browsing Protection by F-Secure
Extension for protecting encrypted browsing with security products by F-Secure.
201,306 users
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
199,076 users
German Dictionary (Switzerland)
Dictionary with Swiss variants of German words for spellchecking in Firefox.
197,307 users
German Dictionary, extended for Austria
German dictionary ("new" orthography) for spellchecking in Firefox, extended with Austrian words
196,918 users
Language: Български (Bulgarian)
Firefox Language Pack for Български (bg) – Bulgarian
196,835 users
Language: Slovenčina (Slovak)
Firefox Language Pack for Slovenčina (sk) – Slovak
190,533 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.
190,276 users
Language: Türkçe (Turkish)
Firefox Language Pack for Türkçe (tr) – Turkish
190,107 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
189,980 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.
187,238 users
Language: Indonesia (Indonesian)
Firefox Language Pack for Indonesia (id) – Indonesian
181,553 users
Pinterest Save Button
Save your favorite ideas online so you can easily get back to them later.
180,325 users
Language: ไทย (Thai)
Firefox Language Pack for ไทย (th) – Thai
177,292 users
Language: Cрпски (Serbian)
Firefox Language Pack for Cрпски (sr) – Serbian
175,487 users
Language: עברית (Hebrew)
Firefox Language Pack for עברית (he) – Hebrew
175,349 users
Language: Lietuvių (Lithuanian)
Firefox Language Pack for Lietuvių (lt) – Lithuanian
174,398 users
Language: Slovenščina (Slovenian)
Firefox Language Pack for Slovenščina (sl) – Slovenian
173,717 users
172,589 users
Language: Eesti (Estonian)
Firefox Language Pack for Eesti (et) – Estonian
169,881 users
Language: فارسی (Persian)
Firefox Language Pack for فارسی (fa) – Persian
168,890 users
Hoxx VPN Proxy
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
168,139 users