Extensions by Weekly Downloads
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.
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.
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
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.)
Block ads and manage proxy.
"Restart" menu and button, with configurable shortcut key.
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
Adds an about:addons-memory page that details add-on memory usage
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.
InfoNotary Configurator for Mozilla Requires Restart
Configures Mozilla for work with certificates issued by InfoNotary Plc.
NO ADS on your favorite Web-sites!
Ваши любимые сайты без рекламы!
Avoid redirects and has direct access to the sites you want to visit.
Minimum and fast URL blocker.
The Book of Mozilla, 15:1 in Japanese
No need flash plugin on embeded youtube movies
Adds a new page that shows add-on memory usage
Block advertisement and access to adult sites
Search with Joy! Block Ads While Surfing!
Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.
Darkens the background of the page