All Time Favorits

by Jans

8 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,147 reviews

17,485,158 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 Ghostery

Rated 5 out of 5 stars 1,376 reviews

1,271,448 users

Increase your browsing privacy, protection, and speed.

United States English Spellchecker by jooliaan

Rated 3 out of 5 stars 161 reviews

441,126 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 210 reviews

23,555 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

Rated 5 out of 5 stars 145 reviews

20,410 users

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

Perspectives by perspectives-cmu, dschaefer

Rated 4 out of 5 stars 43 reviews

3,862 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

4,927 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 4 out of 5 stars 135 reviews

61 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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