The Duke Of Dark Corners'

by The Metaphysical Crook

32 Add-ons in this Collection

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 983 reviews

1,276,934 users

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

Ghostery by Ghostery

Rated 4 out of 5 stars 1,297 reviews

1,486,238 users

Enjoy a faster, safer and cleaner browsing experience.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 524 reviews

835,989 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

QuickJava by Doug G

Rated 5 out of 5 stars 199 reviews

276,799 users

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,554 reviews

342,039 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 5 out of 5 stars 458 reviews

285,710 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.

Awesome Screenshot Plus - Capture, Annotate & More by Diigo Inc.

Rated 4 out of 5 stars 1,122 reviews

197,417 users

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

HackBar by Johan Adriaans, Pedro Laguna

Rated 4 out of 5 stars 41 reviews

31,471 users

Simple security audit / Penetration test tool.

Vimperator by maxauthority, gkatsev

Rated 5 out of 5 stars 195 reviews

31,412 users

Make Firefox look and behave like Vim

Fasterfox Lite by Wips.com s.r.o.

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Experimental

Rated 4 out of 5 stars 251 reviews

60,162 users

Fasterfox Lite: Performance and network tweaks for Firefox, without the Enhanced Prefetching. This is a fork from the original "Fasterfox".

FastestFox - Browse Faster by yongqli

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Experimental

Rated 4 out of 5 stars 487 reviews

90,870 users

Save time by speeding up repetitive tasks. Get faster, parallelized downloads, see definitions, auto-load the next page, improve searching, and more. FastestFox will dramatically enhance your productivity!

RequestPolicy by Justin Samuel

Rated 4 out of 5 stars 229 reviews

92,555 users

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Disable Add-on Compatibility Checks by Kris Maglione

Rated 4 out of 5 stars 99 reviews

38,128 users

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Speed DNS by spartanp

Rated 4 out of 5 stars 46 reviews

7,934 users

Make your browsing experience faster by avoiding wait time on DNS lookups

Notepad (QuickFox) by InBasic, Jeremy Jr Benthum

Rated 4 out of 5 stars 189 reviews

21,228 users

Everyday note-taking solution.
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