
Ultrawidey provides an 21:9 aspect ratio to a lot of video streaming services, like Youtube and Netflix, it requires no button presses it fits your screen automatically.
Please note that videos with a black border can be removed by pressing ‘Z’.

Do not allow popup windows. Open all links in the current window

解除『考滿分』區域限制 A Chrome and Firefox extension that bypasses KMF region restriction.

If there are pinned tabs, keep one blank tab open when closing the last normal one. Prevents multiple empty tabs, and has an option to not quit the browser when the last window is closed.

Blocks Twitter annoying login wall from appearing if you are scrolling while not logged in.

Open pictures and videos in tabs and download them all at once.

Easily convert and download any document (doc, docx, ppt, etc.) to a PDF file.

Privacy Protector Plus removes all forms of tracking including web bugs, tracking scripts and information collectors, and protects your personal data.

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.

This is a tool for web developers. It makes editing URL parameters for long URLs much easier. You can use this tool to view each URL param, add new or delete existing ones.

Doing auto-scroll-down on a page

Add a right-click menu item to tabs which allows moving multiple tabs into a new window. You can detach the tab that was right-clicked and all tabs to its right or all tabs sharing the same origin.

Rewrite customizable patterns in a page. Created mostly for personal amusement, inspired by XKCD #1288 and "cloud to butt." By default provides a sensible "mispell" -> "misspell" replacement.
Also in Chrome: https://goo.gl/r1FXGf

This extension pastes your text even where pasting is disabled.

Simple Screen Capture Tool
Select the area which you want to capture.
You can choose to upload it and share with your friend or download it.

Popular Russian online radio stations player.

Custom homepage with favorite links.

Add the old percentages to my.epitech.eu

Break addresses of active tabs into navigable breadcrumbs: clicking the add-on icon or using the shortkey CTRL + , (comma) opens up a panel that contains the addresses of active tabs, broken into individually navigable pieces.

Adds one-finger gestures for Android.
(P.S. "Quick Gestures" is great addon. I hope it be updated.)

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.

Allows you to set the font and size of Arabic text, making it easy to read.

Add a toolbar button which rearrange tabs in random order when clicked.

Allows the user to collapse Trello lists. List setting is stored in extension storage.

A powerful alarm extension that supports timer and stopwatch with snooze

Adds an stop button to HTML5 player to prevent YouTube from buffering video

Extension that shows the API field names on salesforce.com detail pages

This extension enhance the standard CambiumNetworks Canopy Web GUI

Cycle through last used tabs using keyboard shortcut.

Great tools to make Scratching easier!