Extensions by Weekly Downloads

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Google™ Translator No Restart Featured

Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.

Rated 4 out of 5 stars (83)
5,876 weekly downloads

MeasureIt

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Rated 4 out of 5 stars (328)
5,864 weekly downloads

JavaScript Deobfuscator No Restart

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

Rated 4 out of 5 stars (26)
5,739 weekly downloads

Torrent Tornado Featured

A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!

Rated 4 out of 5 stars (35)
5,718 weekly downloads

Image Block Featured

Image Block adds a toggle button that conditionally blocks/allows loading of images on webpages. Blocking images results in faster browsing, especially helpful on handheld devices or slower connections like GSM/GPRS/EDGE dial-up etc.

Rated 4 out of 5 stars (123)
5,672 weekly downloads

ScrapBook

Helps you to save Web pages and organize the collection.

Rated 4 out of 5 stars (834)
5,672 weekly downloads

Facebook Secret Emoticons No Restart

With this Add-on, you will have quicker and easier access to all Facebook emoticons and stickers.

Rated 4 out of 5 stars (92)
5,647 weekly downloads

The Addon Bar (Restored) No Restart Featured

Gives you a place to put all your add-on buttons without over-crowding the navigation bar.

Rated 5 out of 5 stars (264)
5,634 weekly downloads

WhatsApp Panel

Integrate WhatsApp with Firefox in a simple way. :::The WhatsApp version for iOS (Iphones, Ipads, etc) doesn't support the web version. It's not me...it's WhatsApp:::

Rated 4 out of 5 stars (25)
5,583 weekly downloads

Youtube to MP3 Converter - High Quality MP3 it

Youtube to MP3 Converter which places an "MP3 it" Button on Youtube Video Pages.

With Just One Click, A New Tab Loads without Disruption of your viewing Experience Where you can Downloaded your Converted 256k MP3 File.

Rated 2 out of 5 stars (30)
5,505 weekly downloads

All-in-One Sidebar

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

Rated 5 out of 5 stars (1,380)
5,495 weekly downloads

signTextJS No Restart

window.crypto.signText replacement

Rated 4 out of 5 stars (7)
5,446 weekly downloads

DuckDuckGo Plus No Restart Featured

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!

Rated 4 out of 5 stars (137)
5,256 weekly downloads

Translate This! No Restart

Translate the whole entire page or just a selection using Google Translate.

Rated 4 out of 5 stars (79)
5,231 weekly downloads

Gmail™ Notifier Plus No Restart Featured

Gmail™ Notifier Plus alerts you of new email messages. Users can also read or reply to emails, delete or mark them as read, all without having to open a new window.

Rated 4 out of 5 stars (36)
5,194 weekly downloads

Pushbullet No Restart

Pushbullet enables you to see your calls and texts on your computer and easily send links and files from your computer to phone.

Rated 4 out of 5 stars (110)
5,164 weekly downloads

APK Downloader No Restart

Download APK from Google Play Store (Android Market)

Rated 3 out of 5 stars (12)
5,137 weekly downloads

Facebook Messenger

Facebook Messenger lets you bring a Facebook Messenger right into your browser to chat with your friends.

Rated 5 out of 5 stars (21)
5,107 weekly downloads

Gismeteo

Прогноз погоды на 24 часа от ведущего погодного сервиса Gismeteo.

Rated 3 out of 5 stars (67)
5,097 weekly downloads

RightToClick Featured

Stops javascript annoyances such as forbidden right click, forbidden text selection or cascading dialog boxes.

Rated 5 out of 5 stars (133)
5,054 weekly downloads