Power User Pack

by IDenis

82 Add-ons in this Collection

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,523 reviews

174,052 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.

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,215 reviews

534,325 users

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,571 reviews

310,083 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!

Session Manager by Michael Kraft

Rated 4 out of 5 stars 481 reviews

278,821 users

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 309 reviews

263,685 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 356 reviews

140,802 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Webmail Ad Blocker by Jason

Rated 4 out of 5 stars 198 reviews

107,265 users

Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.

Tree Style Tab by Piro (piro_or)

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Experimental

Rated 4 out of 5 stars 1,358 reviews

109,421 users

Show tabs like a tree.

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 101 reviews

78,694 users

Wappalyzer is a browser extension that identifies software on websites.

Fast Dial by telega

Rated 3 out of 5 stars 2,519 reviews

111,393 users

Visual bookmarks for Firefox.

UnMHT by arai_a

Rated 5 out of 5 stars 227 reviews

91,895 users

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

FEBE by Chuck_Baker

Rated 4 out of 5 stars 661 reviews

107,987 users

FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 341 reviews

142,320 users

Adds zoom and rotation functionality for images...

Html Validator by Marc Gueury

Rated 4 out of 5 stars 215 reviews

51,786 users

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

PDF Download by Nitro PDF Software

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Experimental

Rated 2 out of 5 stars 688 reviews

79,293 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.
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