Add extensions, get work done

Save Wikipedia articles to read on Wikipedia’s iOS and Android apps

Miscellaneous functions related to Twitter (This add-on was formerly called Twitter Old UI)

Customize the visited link color for google search results.

A toolbar button to enable selection, copy and typing editing web text redirectly in a tab

Shows an indicator on a popup panel next to the link address when the mouse cursor is over a link to a page you have bookmarked or visited before, or if the link is currently open in a browser tab.

Earn bitcoin rewards when you shop online at more than 10K partner websites worldwide.

Translate any webpage on the fly

B!tch to Boss

Online harassment is a problem. The solution? People being less terrible. Until then, this extension replaces "bitch" and other derogatory words like it with "boss" all across the internet.

Enhancer for YouTube Music™. Dynamic Themes, Visualizers, Lyrics, Sleep Timer, and more!

A minimal Firefox extension for monochrome browsing. Supports dark theme and grayscale only on selected hostnames. [Notice: Doesn't work at mozilla pages]

Improve your trello experience. Automatically count trello cards, enhance existing and add new features, UI improvements.

Resize and position Firefox with keys: ALT+1, 2, 3 and 4

This web extension adds a toolbar button to toggle the sidebar on reddit.com

Easy Screenshot is an easy-to-use visual part, the entire page, or a selective screen capturing tool.

Open local and remote ZIP archives to extract all files or a single one

Inserts the tota11y JS file from Khan Academy into the current tab so that you can visualize how the current page performs with assistive technologies. All the credit goes to Khan Academy for their amazing script.

Hide Discord Servers and Channels! Installs a button that hides/shows the Discord server list and autohides the channels list.

Repeat, speed up, slow down Youtube and any HTML5 video. Create a loop with accuracy to milliseconds. Create mixed playlists.

A cat that can walk around on your page

A webextension version of FireTitle, this version lacks some features of the original since WebExtension API doesn't permit to freely change a window's title.

Open SSH client sessions with a terminal emulator