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by loc3

11 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,933 reviews

20,193,650 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).

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,599 reviews

1,335,512 users

The first and only download manager/accelerator built inside Firefox!

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,529 reviews

897,740 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Web Developer by chrispederick

Rated 5 out of 5 stars 216 reviews

539,011 users

The Web Developer extension adds various web developer tools to the browser.

Flagfox by Dave G

Rated 5 out of 5 stars 634 reviews

593,776 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,514 reviews

304,803 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 156 reviews

167,026 users

View HTTP headers of a page and while browsing.

German Dictionary by KaiRo

Rated 4 out of 5 stars 55 reviews

446,781 users

German Dictionary (new Orthography) for spellchecking in Mozilla products

Stealther by Filip Bozic

Rated 3 out of 5 stars 197 reviews

2,087 users

If there are times you want to surf the web without leaving a trace in your local computer, then this is the right extension for you. What it does is temporarily disable the following...

Stay-Open Menu by custom.firefox.lady

Rated 5 out of 5 stars 100 reviews

3,684 users

Facilitates opening multiple tabs from the Bookmarks Menu and various other bookmark/history related dropdown menus. Less need to keep reopening menu, without using the sidebar. Optional auto-closing feature adds extra convenience.

PasswordMaker by Eric H. Jung

Rated 4 out of 5 stars 53 reviews

3,208 users

One Password To Rule Them All!

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