Extensions by Weekly Downloads


Nimbus Screen Capture - editable screenshots Featured

1) Screen capture web pages.
2) Selected regions.
3) Whole browser windows.
Edit screenshots and save the images to either local file or Google Drive. Annotate screenshots in a very user-friendly interface with different tools. Upload and share!

Rated 5 out of 5 stars (298)
6,470 weekly downloads

Image Block Requires Restart

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.

Rated 4 out of 5 stars (152)
6,287 weekly downloads

Cookies Manager+ Requires Restart

Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.

Rated 5 out of 5 stars (68)
6,238 weekly downloads

Session Manager Featured

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Rated 4 out of 5 stars (486)
6,221 weekly downloads

Save as PDF Requires Restart

Lets you download web pages as PDF in one click.

Rated 2 out of 5 stars (133)
6,038 weekly downloads

HTML5 Video Everywhere!

Replace video player with Firefox native video player

Rated 4 out of 5 stars (38)
5,939 weekly downloads

Decentraleyes Featured

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Rated 5 out of 5 stars (69)
5,672 weekly downloads

MP4 YouTube Downloader Requires Restart

This simple add-on allows you to download MP4 (iPod-compatible) videos from YouTube, Dailymotion, and Vimeo.

Rated 4 out of 5 stars (64)
5,581 weekly downloads

Autofill Requires Restart

Autofill is a small but powerful add-on that serves one purpose: fill form fields automatically on page load. It is for people who just want a straightforward form filler without all the bells and whistles.

Rated 4 out of 5 stars (56)
5,491 weekly downloads

Video WithOut Flash

Watch videos without flash

Rated 3 out of 5 stars (63)
5,488 weekly downloads

Click&Clean Requires Restart

The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner.

Rated 5 out of 5 stars (103)
5,481 weekly downloads

Random Agent Spoofer

Rotates complete browser profiles ( from real browsers / devices ) at a user defined time interval. It includes many extra privacy enhancing options

Rated 5 out of 5 stars (133)
5,450 weekly downloads

Media Converter and Muxer

Media Converter and Muxer is an easy to use video and audio converter and muxer.

Rated 3 out of 5 stars (31)
5,426 weekly downloads

Torrent Tornado Requires Restart Featured

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

Rated 5 out of 5 stars (82)
5,363 weekly downloads


NOTE: Users should be aware that this add-on represents an older fork. The original developer of uBlock is continuing to actively develop the newer fork uBlock Origin.

Rated 4 out of 5 stars (224)
5,331 weekly downloads

New Tab Override (browser.newtab.url replacement)

This add-on brings back the ability to change the page which is shown when opening a new tab.

Rated 5 out of 5 stars (138)
5,280 weekly downloads

Hide My IP VPN

Hide My IP VPN is number one tool for hiding your IP and unblocking any web site!

Rated 5 out of 5 stars (15)
5,250 weekly downloads

HttpRequester Requires Restart

A tool for easily making HTTP requests (GET/PUT/POST/DELETE), viewing the responses, and keeping a history of transactions.

Rated 4 out of 5 stars (56)
5,239 weekly downloads

Youtube Downloader mp3

Easy to use youtube video to mp3 downloader

Rated 3 out of 5 stars (13)
5,225 weekly downloads

Advanced Cookie Manager Requires Restart

A must have tool for Web Developers and Testers to Manage and monitor web cookies.

Features List:
Export / Backup
Import / Restore
Monitor cookies

Available in English, French, Spanish, German and Italian languages.

Rated 4 out of 5 stars (36)
5,182 weekly downloads