Extensões mais baixadas semanalmente

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Search and New Tab by Yahoo

This Add-on sets your default Search to Yahoo, and it brings a fresh look to every new tab page, powered by Yahoo.

Avaliado em 3 de 5 estrelas (23)
724.572 downloads semanais

Adblock Plus Em destaque

Chateado com as propagandas? Incomodado com o rastreamento? Irritado com os banners? Instale agora o Adblock Plus para recuperar o controle da internet e mudar a maneira como você vê a web.

Avaliado em 5 de 5 estrelas (5.029)
710.972 downloads semanais

uBlock Origin Em destaque

Finalmente, um bloqueador eficiente. Com baixo uso de memória e CPU.

Avaliado em 5 de 5 estrelas (972)
471.612 downloads semanais

Video DownloadHelper

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Avaliado em 4 de 5 estrelas (8.020)
429.164 downloads semanais

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

Avaliado em 3 de 5 estrelas (363)
170.620 downloads semanais

Cisco WebEx Extension

Participe de reuniões WebEx utilizando o Firefox ™

Avaliado em 3 de 5 estrelas (26)
156.386 downloads semanais

YouTube High Definition Em destaque

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.

Avaliado em 5 de 5 estrelas (243)
140.468 downloads semanais

Firebug

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Avaliado em 4 de 5 estrelas (2.115)
119.139 downloads semanais

Flash Video Downloader - YouTube HD Download [4K]

Flash Video Downloader helps you download any video (flv, mp4, HD) from YouTube, Facebook, Break, Metacafe and more in one click. You can download mp3, music (iPod), avi and more. Download Flash games. Download Helper. 4K download.

Avaliado em 4 de 5 estrelas (1.052)
89.831 downloads semanais

Download YouTube Videos as MP4 Em destaque

An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.

Avaliado em 4 de 5 estrelas (477)
86.295 downloads semanais

LastPass Password Manager Requer reinicialização

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Avaliado em 4 de 5 estrelas (1.518)
72.253 downloads semanais

DownThemAll! Em destaque

The first and only download manager/accelerator built inside Firefox!

Avaliado em 4 de 5 estrelas (1.851)
70.268 downloads semanais

NoScript Security Suite Requer reinicialização Em destaque

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Avaliado em 5 de 5 estrelas (1.648)
65.610 downloads semanais

Easy Screenshot

Capture a screenshot of the whole webpage, and save in your desktop in default.

Avaliado em 4 de 5 estrelas (146)
60.914 downloads semanais

AdBlock for Firefox

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.

Avaliado em 4 de 5 estrelas (62)
58.580 downloads semanais

Greasemonkey Requer reinicialização Em destaque

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Avaliado em 4 de 5 estrelas (1.033)
57.189 downloads semanais

YouTube™ Video and Audio Downloader

Downloads YouTube videos in all available formats (FLV, MP4, WebM, and 3GP) with video quality of your choice. It also contains a pure JavaScript library to extract the ORIGINAL audio file embedded in video files.

Avaliado em 4 de 5 estrelas (402)
52.825 downloads semanais

Hoxx VPN Proxy

Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.

Avaliado em 5 de 5 estrelas (1.823)
52.433 downloads semanais

Ghostery Em destaque

Increase your browsing privacy, protection, and speed.

Avaliado em 5 de 5 estrelas (1.386)
51.517 downloads semanais

QuickJava Requer reinicialização Em destaque

Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth. (Read details for info on Java with FF52+!)

Avaliado em 5 de 5 estrelas (211)
50.263 downloads semanais