Lifehacker's Must-Have Extensions

by Lifehacker.Addons

9 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,894 reviews

20,370,547 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 4 out of 5 stars 1,804 reviews

1,252,799 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,012 reviews

1,243,533 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,622 reviews

808,337 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.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,581 reviews

309,631 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!

Personal Menu (Personal Firefox Button) by Merci chao

Bring back your personal and powerful Firefox Button!

AutoCopy by Autocopy, Michael Lidman

Download Now


Rated 4 out of 5 stars 525 reviews

15,600 users

Select text and it's automatically copied to the clipboard. Also pastes on middle click.

Better Gmail 2 by Gina Trapani

Rated 4 out of 5 stars 516 reviews

11,393 users

Add useful extra features to Gmail, like hierarchical labels, an unread message icon on your browser tab, file attachment icons, and more.

Automatic Save Folder by Cyan

Rated 4 out of 5 stars 138 reviews

3,067 users

This add-on will open the File Browser at the right location, using simple filters on the downloaded file.
The filters are based on filenames and hosted domain's name.

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