Lifehacker's Must-Have Extensions

by gallegr1

36 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,832 reviews

21,370,353 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).

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 936 reviews

1,318,850 users

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

Web of Trust - WOT by WOT Services

Rated 4 out of 5 stars 1,557 reviews

1,180,879 users

Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs to help you make informed decisions about whether to visit a site or not.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 732 reviews

752,152 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

LastPass Password Manager by LastPass

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,481 reviews

999,059 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.

Evernote Web Clipper by Evernote

Rated 3 out of 5 stars 745 reviews

426,187 users

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

BetterPrivacy by IKRG

Rated 5 out of 5 stars 423 reviews

611,335 users

Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...

Latest updates: See bottom link 'version history'!

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,506 reviews

350,960 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!

Pocket by Read It Later, Inc

Rated 4 out of 5 stars 1,068 reviews

263,883 users

When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.

IE Tab by PCMan, yuoo2k

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

PDF Download by Nitro PDF Software

Rated 2 out of 5 stars 679 reviews

149,458 users

Use PDF Download to do whatever you like with PDF files on the Web. Regain control and eliminate browser problems, view PDFs directly in Firefox as HTML, and use the all-new Web-to-PDF toolbar to save and share Web pages as high-quality PDF files.

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,378 reviews

239,000 users

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

Toolbar Buttons by Michael B.

Rated 4 out of 5 stars 321 reviews

154,420 users

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

StumbleUpon by StumbleUpon

Rated 4 out of 5 stars 213 reviews

136,232 users

StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.
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