Power User Pack

by IDenis

82 Add-ons in this Collection

Reload Plus by bwProductions

Rated 5 out of 5 stars 80 reviews

19,373 users

Supercharge your reload button and hotkeys!

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...

Tree Style Tab by Piro (piro_or)

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Experimental

Rated 4 out of 5 stars 1,343 reviews

105,925 users

Show tabs like a tree.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 309 reviews

261,949 users

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

Session Manager by Michael Kraft

Rated 4 out of 5 stars 469 reviews

279,693 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.

FEBE by Chuck_Baker

Rated 4 out of 5 stars 654 reviews

109,752 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.

Webmail Ad Blocker by Jason

Rated 4 out of 5 stars 195 reviews

110,706 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.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 352 reviews

137,456 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 1,418 reviews

183,161 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.

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 102 reviews

76,161 users

Wappalyzer is a browser extension that identifies software on websites.

UnMHT by arai_a

Rated 5 out of 5 stars 224 reviews

91,754 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.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 340 reviews

145,871 users

Adds zoom and rotation functionality for images...

Fast Dial by telega

Rated 3 out of 5 stars 2,515 reviews

112,858 users

Visual bookmarks for Firefox.

PDF Download by Nitro PDF Software

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Experimental

Rated 2 out of 5 stars 689 reviews

85,069 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.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 215 reviews

52,000 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
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