Color Picker
A simple color picker extension. Easily pick any color on the screen, view history of picked colors, and copy or clear them with a single click.
754 users
Tabs Backup & Restore
Keep manual or automatic backups of all tabs*, and restore on demand. Can also export backup file to disk to restore later, or to another profile, even on another computer or OS, as long as it has Tabs Backup & Restore installed. *(See description)
750 users
HackBar
A HackBar for new firefox. This addon is written in webextension and alternatives to the XUL version of original Hackbar.
746 users
IEability - Open in IE
Runs Internet Explorer (IE) in Firefox with IE Tab mode, supporting legacy websites, Java, ActiveX, Flash and enterprise systems.
743 users
Penetration Testing Kit
Attention! This version is no longer supported. Use /firefox/addon/owasp-penetration-testing-kit/ extension instead.
740 users
Simple Link Checker
Redirect Link Checker will check all links on your page to find broken and redirect links
739 users
Website and IP address blocker
Block Websites and IP address. Additional feature: Option to only block the homepage.
738 users
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
728 users
SEO Inspector
SEO Inspector scans the active page and applies a set of customizable rules to its contents. The results of the scan are displayed on a simple, elegant interface for manual inspection.
725 users
Forget Button - Clean your Browser
Quickly delete your browser history, cookies, cache, downloads, forms, and passwords
717 users
Web Editor
Edit the every web page you want !! .... Making your own custom web page , using any other web page is just a click away !!! You can convert any web page into an editable document , which can then be edited and saved .
704 users
HTMaiL: Insert HTML into email message
This extension will allow you to easily insert HTML code into the body of the message from your favorite webmail service: Gmail, Outlook, and Yahoo Mail.
704 users
Quora Login Bypass
Lets you Bypass Quora Login. A Quora Blog shared this trick/hack so that knowledge can be shared without restriction. If you are logged in, it won't do anything. But say you are not logged in (or using private window), then this comes handy.
701 users
OWASP Penetration Testing Kit
Penetration Testing Kit is an extension for application security practitioners, penetration testers, and red teams. Penetration Testing Kit is an extension for application security practitioners, penetration testers, and red teams.
696 users
