Mest populære udvidelser

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AdBlock for Firefox Kompatibel med Firefox 57+ Udvalgte

The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.

Bedømmelse: 4 ud af 5 stjerner (161)
452.279 brugere

Privacy Badger Kompatibel med Firefox 57+ Udvalgte

Protects your privacy by blocking spying ads and invisible trackers.

Bedømmelse: 4 ud af 5 stjerner (187)
446.045 brugere

Awesome Screenshot Plus - Capture, Annotate & More Kompatibel med Firefox 57+ Udvalgte

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

Bedømmelse: 4 ud af 5 stjerner (1.621)
445.511 brugere

Proxy Tool Kræver genstart

Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.co

Bedømmelse: 4 ud af 5 stjerner (43)
439.544 brugere

Amazon Assistant for Firefox Kompatibel med Firefox 57+

This is an official Amazon extension for Firefox. Amazon Assistant helps you make better shopping decisions by showing product comparisons at thousands of retail sites. By installing you agree to the Conditions of Use at amazon.com/gp/BIT/TOU.

Bedømmelse: 4 ud af 5 stjerner (374)
422.977 brugere

Grammarly for Firefox Kompatibel med Firefox 57+ Udvalgte

Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.

Bedømmelse: 4 ud af 5 stjerner (218)
414.501 brugere

AdBlocker Ultimate Kompatibel med Firefox 57+ Udvalgte

Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!

Bedømmelse: 5 ud af 5 stjerner (2.397)
411.195 brugere

Stylish Kræver genstart

Gendesign internettet med Stylish, en user styles manager.

Bedømmelse: 4 ud af 5 stjerner (897)
382.894 brugere

HTTPS Everywhere

Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.

Bedømmelse: 4 ud af 5 stjerner (246)
378.459 brugere

YouTube High Definition Kompatibel med Firefox 57+ Udvalgte

YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.

Bedømmelse: 5 ud af 5 stjerner (269)
374.726 brugere

DuckDuckGo Plus

DuckDuckGo is the search engine that doesn't track you. This add-on makes DuckDuckGo your default search engine and includes some other useful features.

Bedømmelse: 4 ud af 5 stjerner (195)
366.882 brugere

Element Hiding Helper for Adblock Plus

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Bedømmelse: 5 ud af 5 stjerner (438)
356.595 brugere

Flagfox

Viser et nationalflag svarende til den pågældende servers placering og giver masser af værktøj, så som sikkerhedstjek af websted, whois, oversættelse, lignende websteder, validering, URL-forkortelse, med mere...

Bedømmelse: 5 ud af 5 stjerner (688)
346.559 brugere

Classic Theme Restorer Kræver genstart

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29-56 (Windows / MacOSX / Linux).

Release builds
Beta builds

Bedømmelse: 5 ud af 5 stjerner (1.108)
330.952 brugere

FireFTP Kræver genstart

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Bedømmelse: 4 ud af 5 stjerner (951)
330.761 brugere

Web of Trust, MyWOT/WOT: Website Reputation Rating Kræver genstart

Instantly know which websites to trust! WOT protects you while you browse, warning you against dangerous sites that host malware, phishing, and more.

Bedømmelse: 4 ud af 5 stjerner (1.355)
323.221 brugere

S3.Google Translator Kræver genstart

S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.

New Feature: Language learning!

Bedømmelse: 5 ud af 5 stjerner (400)
322.463 brugere

Web Developer Kræver genstart

The Web Developer extension adds various web developer tools to the browser.

Bedømmelse: 5 ud af 5 stjerner (279)
314.604 brugere

Ant Video Downloader Kræver genstart

It has never been simplier to download videos from Youtube, Dailymotion and from most of the video streaming site.
Just play the video, click on the toolbar, download and play it immediately in our integrated video player.

Bedømmelse: 4 ud af 5 stjerner (555)
308.169 brugere

iCloud-bogmærker

Hold dine Firefox-bogmærker på Windows ajour med Safari-bogmærkerne på din iPhone, iPad og Mac vha. udvidelsen iCloud-bogmærker til Firefox.

Bedømmelse: 2 ud af 5 stjerner (249)
294.927 brugere