Add extensions, get work done

Remove all cookies for the active tab with just one click.

Take full webpage screenshots, annotate and save them as PDF/JPEG/PNG files locally, or print them. You can upload to YesKeeper as your private page snapshot. You also can clip webpage text to save as a note. YesKeeper is a free cloud storage space.

Bring back SSB feature into your browser.

Close similar tabs with this lightweight and simple extension.

This addon, with a little help from some css, shows or hides the native tab bar when the user wants.

Play Pool billiards without leaving your home, now it's in pop-up of your browser!

Open or send a tab to a different window with the click of a button. Creates both a menu button and a context menu (right click on links) to send a tab or open a link in a different window.

The Tab Randomizer randomizes (or shuffles) all tabs in the current window

NextPlease! is a highly configurable extension that allows you to jump to next and previous links on search results pages, like Google, Yahoo, Ebay, Amazon, and many other sites.

Organize tabs into workspaces.

Minimalist browser extension to dynamically theme new windows (very cute). Use to differentiate open windows *or for the aesthetic ☆ ～('▽^人) *.

Unload tabs to free up resources. Discards tabs to the same unloaded state as when Firefox is launched. Adds a context menu to the tab, and the hotkey Alt+x.

Saves the current web page as it appears now to the Internet Archive for use as a trusted citation in the future.

When you have lots of tabs open, it is good to have another way of selecting one.

Adds a option when right clicking a link to open in a new tab and switch focus to it. Very useful when wanting to keep current tab and visit link immediately. That's It!

Editale qrcode generator.

Switch the current tab to a different container in multiple ways

Opens a new tab/window with backend-login of the CMS, which the current website is using. Just press [Alt] + [y]. Supported CMS's: Typo3, Joomla, WordPress, Drupal, Contao, WebsiteBaker, Weblication, CMSQLite and Oxid.

A small, no-nonsense extension to control speed and reverb settings on YouTube videos.