All Time Favorits

by Jans

8 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,839 reviews

21,685,587 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).

Ghostery by José María Signanini, Brad McDermott

Rated 5 out of 5 stars 1,114 reviews

1,467,121 users

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

United States English Spellchecker by jooliaan

Rated 3 out of 5 stars 160 reviews

541,025 users

United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.

To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".

Update Scanner by sneakypete81

Rated 4 out of 5 stars 188 reviews

36,902 users

Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.

SearchWP by Georges-Etienne Legendre, Robert Katić, others

Jump-to-word buttons and highlighting for the search box content

Perspectives by perspectives-cmu, dschaefer

Rated 4 out of 5 stars 44 reviews

6,529 users

Connect securely to https websites by checking certificates with network notaries. See http://www.perspectives-project.org

Update Notifier by Todd Long

Rated 5 out of 5 stars 180 reviews

14,578 users

Note from Mozilla: This add-on has been discontinued. Try Add-on Update Checker instead.

Notifies you when updates are available for your extensions and themes.

TagSifter by chiisaitsu

Rated 5 out of 5 stars 134 reviews

153 users

Firefox 3 lets you tag your bookmarks, but it doesn't give you a great way to browse your bookmarks by their tags. TagSifter tries to. Select a group of tags in the sidebar or menu, and TagSifter shows you all the related tags and bookmarks. Or searc...

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