Power User Pack

by IDenis

80 Add-ons in this Collection

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,517 reviews

193,956 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!

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 379 reviews

191,811 users

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

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 114 reviews

69,088 users

Wappalyzer is a browser extension that identifies software on websites.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 362 reviews

107,447 users

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

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,454 reviews

133,614 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.

Tree Style Tab by Piro (piro_or)

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Experimental

Rated 4 out of 5 stars 1,265 reviews

88,844 users

Show tabs like a tree.

UnMHT by arai_a

Rated 4 out of 5 stars 240 reviews

86,982 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.

Webmail Ad Blocker by Jason Savard

Rated 4 out of 5 stars 212 reviews

65,342 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.

FEBE by Chuck_Baker

Rated 4 out of 5 stars 625 reviews

70,472 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.

Fast Dial by telega

Rated 3 out of 5 stars 2,333 reviews

84,226 users

Visual bookmarks for Firefox.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 341 reviews

104,321 users

Adds zoom and rotation functionality for images...

Reload Plus by bwProductions

Rated 5 out of 5 stars 75 reviews

10,881 users

Supercharge your reload button and hotkeys!

Html Validator by Marc Gueury

Rated 4 out of 5 stars 218 reviews

34,274 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 690 reviews

29,853 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 View by EmmaSawyers, searchresults

Rated 3 out of 5 stars 152 reviews

53,440 users

Lets you load pages in IE with a single right-click, or mark certain sites to *always* load in IE.
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