Lifehacker's Must-Have Extensions

by gallegr1

33 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,829 reviews

14,257,507 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).

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 2,504 reviews

661,431 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,233 reviews

874,176 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,619 reviews

177,527 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!

Stylish by userstyles.org

Rated 4 out of 5 stars 909 reviews

392,872 users

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

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,470 reviews

585,723 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 of Trust, MyWOT/WOT: Website Reputation Rating by WOT Services

Rated 4 out of 5 stars 1,374 reviews

312,347 users

Instantly know which websites to trust! WOT protects you while you browse, warning you against dangerous sites that host malware, phishing, and more.

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 1,055 reviews

250,910 users

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

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,227 reviews

114,692 users

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

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,471 reviews

126,255 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.

Download Statusbar by C.J.

Download Now

Experimental

Rated 4 out of 5 stars 1,377 reviews

119,705 users

View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.

Thanks Tekzilla for your awesome review! Click here to see their video: http://youtu.be/BUDqWrJ-Vao

Toolbar Buttons by Button Guy

Rated 4 out of 5 stars 339 reviews

20,029 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.

PDF Download by Nitro PDF Software

Download Now

Experimental

Rated 2 out of 5 stars 663 reviews

26,435 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.

ScrapBook Plus by haselnuss

Helps you to save web pages and organize the collection.

StumbleUpon by StumbleUpon

Rated 4 out of 5 stars 217 reviews

37,014 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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