Add extensions, get work done

Disable all CSS transitions and animations

Customize LeetCode editor with various themes.

Easily block (nullify) undesired WebAPI(s) and protect your privacy.

Provide quick access to hidden YouTube actions.

Next tab only a click away!

Moves the currently active tab to the next window. Or to any window you choose via the right-click menu.

Adds a "Go Up" button for Firefox

Improves readability and automatically adds images and useful information to VNDB visual novel lists.

A Browser extension to get a black theme in YouTube - Now available on Firefox for Android

Firefox extension that allows you to change and customize browser Window colors

Extension which returns the Twitter bird icon back

Searches webpages for valid phone numbers and turns them into tel links or sends them directly to the Zulu client application itself

Adds textwrap to Firefox on Android. Reflows the whole page - just pinch to zoom! (or double tap + drag)

Cling is your place for everything, where nothing ever gets lost. Combine your notes, bookmarks, media, and documents on well-structured and beautiful boards. Then, share your boards with others and start to collaborate. Cling is free.

Manage your games in progress, and add many visual enhancements (dark mode, etc.).

Cryptocurrency market. Bitcoin and Coindesk News. Also ethereum, litecoin, cash. Price flutuation charts. Wallet and price ticker.

Move tabs around

An add-on that uses "arXiv Vanity" to render arXiv papers as easy-to-read html websites.

Show size summaries of GitHub repos

Quick button to AliExpress.com discounts page. Convenient add-on for Firefox.

Enhancement extension for Archive of Our Own.