Populairste extensies

Abonneren

YouTube High Definition Aanbevolen

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.

Waardering 5 van 5 sterren (228)
543.131 gebruikers

Cisco WebEx Extension Compatibel met Firefox 57+

Neem deel aan WebEx-vergaderingen met gebruik van Firefox ™

Waardering 3 van 5 sterren (45)
517.105 gebruikers

Yandex.Bar (Яндекс Бар) Vereist herstart

Яндекс.Бар: поиск из Firefox одним кликом

Waardering 2 van 5 sterren (315)
505.363 gebruikers

Web of Trust, MyWOT/WOT: Website Reputation Rating Vereist herstart

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

Waardering 4 van 5 sterren (1.318)
489.761 gebruikers

Element Hiding Helper voor Adblock Plus

Bestrijd de tekstadvertenties! Element Hiding Helper is een bij Adblock Plus behorende extensie die is bedoeld om het maken van regels voor verbergen van elementen te vereenvoudigen.

Waardering 5 van 5 sterren (431)
482.864 gebruikers

anonymoX

Easy anonymous web browsing.
– Change your IP-Address and country
– Visit blocked or censored websites.
– Delete cookies, show your public ip, and more

We provide the proxy servers, no external proxies or other programs required

Waardering 3 van 5 sterren (558)
465.086 gebruikers

Awesome Screenshot Plus - Capture, Annotate & More Compatibel met Firefox 57+

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!

Waardering 4 van 5 sterren (1.457)
455.152 gebruikers

IE Tab V2 (Enhanced IE Tab) Vereist herstart

Note: If you are encountering the Connecting... problem see instructions below.

The updated, fully supported IE Tab. Embed IE in a Firefox tab. IE Tab Features: FF 4+ support, IE 7-9 compatibility modes, old IE Tab settings import.

Waardering 4 van 5 sterren (429)
443.647 gebruikers

Yahoo Toolbar and New Tab

This Add-on gives you a simplified version of Yahoo Toolbar along with Flickr images on every new tab. It also provides quick access to your top sites.

Waardering 2 van 5 sterren (320)
442.636 gebruikers

Flashblock Vereist herstart

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Waardering 4 van 5 sterren (1.134)
439.964 gebruikers

Flagfox

Toont een vlag die de locatie van de huidige server aanduidt en biedt een veelvoud aan hulpmiddelen zoals sitebeveiligingscontroles, whois, vertaling, vergelijkbare sites, validatie, URL-afkorting en meer…

Waardering 5 van 5 sterren (665)
430.542 gebruikers

Stylish Vereist herstart

Pas het uiterlijk van websites en de gebruikersinterface aan.

Waardering 4 van 5 sterren (815)
412.797 gebruikers

BetterPrivacy-signed Vereist herstart Aanbevolen

Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...

Waardering 5 van 5 sterren (421)
405.004 gebruikers

Web Developer Vereist herstart

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

Waardering 5 van 5 sterren (262)
404.911 gebruikers

AdBlocker Ultimate Aanbevolen

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

Waardering 5 van 5 sterren (1.561)
404.028 gebruikers

FireFTP Vereist herstart Aanbevolen

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!

Waardering 4 van 5 sterren (938)
403.070 gebruikers

Classic Theme Restorer Vereist herstart

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

Waardering 5 van 5 sterren (1.049)
397.744 gebruikers

HTTPS Everywhere Vereist herstart Aanbevolen

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.

Waardering 4 van 5 sterren (164)
391.448 gebruikers

YouTube mp3

Adds a download button to YouTube. By clicking on it you can download the video as a high quality mp3 file.

Waardering 3 van 5 sterren (266)
382.319 gebruikers

S3.Google Translator Vereist herstart

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!

Waardering 5 van 5 sterren (359)
374.292 gebruikers