获取B站(bilibili)视频封面图
为哔哩哔哩网站（俗称B站：https://www.bilibili.com）增加右键菜单，用于获取视频封面图片，用法如下： 1、鼠标移动到对应的视频上，点击右键，即可呼出下载封面图快捷菜单。 2、点击“获取B站视频封面图”，成功获取会在新标签页打开获取到的封面。 注意：新标签打开图片时，可能提示需要弹出窗口权限。
604 users
IBM Salesforce Extras
This extension adds some extra features to Salesforce Console for use by Support teams at IBM.
603 users
Thematic (was Persona Switcher)
Quickly switch between your themes or reset the theme back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox and Thunderbird.
600 users
GitHub Dark Theme
A dark theme for all of GitHub based on Atom One Dark.Source Code: https://github.com/poychang/github-dark-theme
594 users
![[TST] Colorize Tabs](https://addons.mozilla.org/user-media/addon_icons/2745/2745117-64.png?modified=03000b9f)
[TST] Colorize Tabs
This extension allows to set individual color for each tab in order to highlight it
594 users
Better Naifu YouTube Gaming
BetterNaifuYTG enhances YouTube Live Chat with more emotes (including Twitch, BTTV, FFZ emotes), new features, and more.
593 users
Night Mode - Dark Theme
A universal dark theme. Night Mode is an extension that helps you quickly turn the screen (browser) to dark at night time. Toolbar button serves as an On & Off switch which enables you to easily and quickly turn the extension On or Off.
592 users
Save Tab URLs
Show, save and restore the page URLs along with page Titles of all opened tabs of current browser window. Show as copyable plaintext. Save and restore from text file.
590 users
Navigate Up WE
Navigate up one or more URL levels, using the toolbar button, context menu or keyboard shortcut.
589 users
Call a Number via Fritz!Box
Markieren Sie eine Telefonnummer auf einer Webseite oder in einer Email und Rufen diese über das Contextmenü direkt über die Fritz!Box an. Benötigt eine Fritz Box mit Firmware 5.5+ und aktivierte Wählhilfe.
587 users
Go to random tab
Adds a shuffle button next to your tabs. Switches to a random tab when clicked.
586 users
Rotate Image
Adds a context menu item which allows you to rotate an image (element) on a web page in 90 degrees steps.
585 users
Decreased Productivity by andryou
Discreetly surf the web! Control exactly how you want web pages to look like.
584 users
Night Mode Eye Guard
Night mode to protect eyesight. Starting with version 3.1, optimizations for specific websites have been added, and users can also report websites that significantly affect vision for targeted optimization.(setting panel>"report to refine")
584 users
SwipeToNavigate
Firefox Add-on to enable two-finger left and right gestures to navigate browser history
583 users
