Lifehacker's Must-Have Extensions

by gallegr1

35 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,041 reviews

21,663,194 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 970 reviews

1,276,496 users

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

LastPass Password Manager by LastPass, Andrew Zitnay

Rated 4 out of 5 stars 1,304 reviews

777,381 users

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

Web of Trust, WOT: Website Reputation Ratings by WOT Services

Rated 4 out of 5 stars 1,633 reviews

1,028,836 users

Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs so you can decide whether to visit a site:
• Green – The site is trusted
• Yellow – Be cautious
• Red – Online threats detected

Stylish by Jason Barnabe

Rated 4 out of 5 stars 788 reviews

520,016 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 2,574 reviews

905,450 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.

BetterPrivacy-signed by IKRG

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...

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 855 reviews

403,218 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,535 reviews

373,748 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!

PDF Download by Nitro PDF Software

Rated 2 out of 5 stars 686 reviews

111,024 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.

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,195 reviews

228,753 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 1,400 reviews

202,783 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 319 reviews

135,982 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 215 reviews

98,043 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.

ScrapBook Plus by haselnuss

Helps you to save web pages and organize the collection.
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