Fundamental Addons

by nascent

9 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,980 reviews

21,488,460 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Session Manager by Michael Kraft

Rated 4 out of 5 stars 567 reviews

286,014 users

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.

NewTabURL by Sogame

Rated 4 out of 5 stars 201 reviews

27,843 users

Select the default URL when new tabs are opened.

The options are: "A blank page", "The home page", "The current page" or a user defined URL.

When there is an URL in the clipboard, it is also possible to open automatically that URL in the new tab.

British English Dictionary by Mark Tyndall

Rated 3 out of 5 stars 422 reviews

242,016 users

British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.

To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".

InvisibleHand by InvisibleHand

Rated 4 out of 5 stars 183 reviews

40,900 users

Automatically get the lowest price when you shop online or search for flights. InvisibleHand shows a discreet notification when a better price is available on a product or flight you're shopping for. Covers over 580 retailers in the US, UK & Germany.

Duplicate in Tab Context Menu by Schuzak

Rated 5 out of 5 stars 38 reviews

11,148 users

Simply adds "Duplicate Tab" to tab context menu.

Favicon Restorer by jooliaan

Rated 4 out of 5 stars 43 reviews

7,851 users

Favicon Restorer brings the website favicons back into the Location Bar in Firefox 14 and above.
This extension also restores the old "blank document" default favicon on new/blank Tabs and Bookmarks.

Textarea Cache by Hemiola SUN

Rated 5 out of 5 stars 149 reviews

11,655 users

Save automatically the content in Textarea.

Peers - Instant Search by Jan Bolz & Daniel Sachse

Rated 4 out of 5 stars 74 reviews

572 users

Instant Search for Firefox. Preview Google and Yahoo search results and suggestions in your Locationbar and Searchbar.

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