Monochrome Mode | Grayscale web
Turn websites grayscale in one click. Reduce visual noise, stay focused, and make browsing feel calmer.
12 users
BetterBangs
Adds *ALL* DDG !Bangs to a lot of search engines including Startpage, Bing and Google.
12 users
History Cleaner for Firefox
Clears the Firefox browser history automatically on browser start. You can also schedule to clear Firefox history periodically.
12 users
Window Session Saver
Saves the window tabs so that they could be loaded later. This extension aims to save the memory of the system by closing windows which are not required at present and can be needed later.
12 users
Screen Spoofer
Simulate websites in custom screen sizes via a secure popup. Perfect for developers testing responsive design and layouts.
12 users
MergeMarks
Merges all open tabs into one bookmark folder to be restored later. Just like all other bookmarks, MergeMarks are synced and backed up by your browser (if enabled).
12 users
Unlockable
Unlockable is a browser extension that allows users to unlock content on websites like blogs, news sites, forums, articles, etc.
12 users
Favorite Tabs
A powerful addon that lets users easily save and access their favorite tabs among many open ones. By clicking on a favorite item in the popup to quickly navigate to that tab. The addon also features a powerful search to find any open tab.
12 users
Keyword History Cleaner
Deletes the history with help of the keyword. Delete the all the history which has the keyword in it URL or in the title. Download and Delete History...instantly using Keyword, with just 1-click on the Eraser button!
12 users
Digital Shield: Tab Suspender & Tracker Blocker
Auto-suspend idle tabs to free 2-4 GB of RAM and speed up a slow Firefox. Blocks third-party trackers, malware and breach risks. Free, no sign-up, no account. A modern, safe Great Suspender alternative.
12 users
Loopy URL Tab Rotator
Automatically rotate through a list of URLs or your open browser tabs on a customizable timer with loop and reload controls.
12 users
Unsafe Container
Unsafe Container is based on the Multi-Account Container addon and places all your web activity in a container named "unsafe container" and allows you to move it afterwards.
12 users
Multiple Windows, Single Session
Turns out pressing Ctrl+Q or closing from the menu does this (and works better). (Relaunch closed windows on next startup. Experimental. Addon button closes windows for good.)
12 users
Find tab
Find and navigate to the tab you need. If no such tab exits, a google search query is run in a new tab.
12 users
ShopBuddy CA
Earn cash back, find great deals and savings from 1000s of stores online with ShopBuddy.
12 users
![Tab [a]123bc](https://addons.mozilla.org/user-media/addon_icons/940/940792-64.png?modified=1520390500){kind=icon}
