Extensions by Weekly Downloads

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UnMHT

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 4 out of 5 stars (300)
930 weekly downloads

Remote XUL Manager

Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.

Rated 5 out of 5 stars (36)
841 weekly downloads

Bluhell Firewall

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 4 out of 5 stars (497)
376 weekly downloads

Free Search & Youtube HD Video Downloader FREE

Youtube Video Search Engine Watch Live And Download free
Mp3 , Wallpaper,Software Search And Download free

Flash Video Downloader helps you download any video (flv, mp4, HD) from YouTube, Facebook, Break, Metacafe and more in one click.

Rated 4 out of 5 stars (9)
373 weekly downloads

Dorando keyconfig Requires Restart

A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) work again!

Rated 5 out of 5 stars (63)
242 weekly downloads

Pan

Block ads and manage proxy.

Rated 5 out of 5 stars (107)
208 weekly downloads

Restart

"Restart" menu and button, with configurable shortcut key.

Rated 5 out of 5 stars (107)
196 weekly downloads

No Resource URI Leak

Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246

Rated 4 out of 5 stars (31)
139 weekly downloads

about:addons-memory

Adds an about:addons-memory page that details add-on memory usage

Rated 4 out of 5 stars (149)
136 weekly downloads

URL Fixer

URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.

Rated 4 out of 5 stars (162)
107 weekly downloads

InfoNotary Configurator for Mozilla Requires Restart

Configures Mozilla for work with certificates issued by InfoNotary Plc.

Rated 3 out of 5 stars (4)
91 weekly downloads

No Ads!

NO ADS on your favorite Web-sites!
Ваши любимые сайты без рекламы!

Rated 2 out of 5 stars (3)
89 weekly downloads

Redirect Bypasser

Avoid redirects and has direct access to the sites you want to visit.

Rated 4 out of 5 stars (55)
86 weekly downloads

Silent Block

Minimum and fast URL blocker.

Rated 4 out of 5 stars (31)
86 weekly downloads

The Book of Mozilla, 15:1 in Japanese

The Book of Mozilla, 15:1 in Japanese

Not yet rated
79 weekly downloads

No need flash plugin on embeded youtube movies

No need flash plugin on embeded youtube movies

Rated 4 out of 5 stars (25)
73 weekly downloads

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (40)
56 weekly downloads

URLFilter

Block advertisement and access to adult sites

Rated 4 out of 5 stars (23)
54 weekly downloads

techblocker

Search with Joy! Block Ads While Surfing!

Rated 5 out of 5 stars (3)
54 weekly downloads

eBay Template Generator

Generate e-bay templates online - in few minutes.

Rated 4 out of 5 stars (4)
53 weekly downloads