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Customizable popup with actions on text selection, just like in Opera browser

Provide some data about open tabs.

Close web page by Context Menu

A simple yet powerful notepad with HTML5 support and more

Open search results in a new tab. Above FF 61, works with the omnibox/awesomebar AND the dedicated search box.

Replace new tab page with Motivation. Once installed, enter your date of birth and then, every time you open a new tab, a live calculation of your age will appear. Click to preview: https://motivation-new-tab.github.io/

Load newly-opened background tabs on selection, rather than automatically in the background. This addon uses the WebExtensions API, and therefore fully supports Firefox 57+.

Site blocker. Blocks URL, Domain or URL with keywords. Redirect. It is the rework of my chrome extension! Not stable, but works!

Opens new tab with ProtonMail website or switches to it if it's already open.

TextNotes is a note extension with various useful features.

Easily find and set free VPN proxies and, browse fast and secure!

Too many open tabs? Manage your tabs, regain your sanity and improve your browsing experience with tabzen. Save and restore your tabs whenever you need them. Edit, annotate and organize your tabs. Export, import to and from HTML file.

An extension to get necessary data to bypass Cloudflare and similar anti-bot protection for Manga Downloader desktop application

Tabs should be vertical

A simple tab cycle extension compatible with Firefox Quantum.

Session manager for the amazing Firefox Quantum. Design by nojuan - https://dribbble.com/nojuan Code by Digital Hank - http://digitalhank.se/ , https://github.com/digitalhank

This extension adds keyboard shortcuts to switch tabs. Alt+1 switches to the first tab, Alt+2 switches to the second tab, and so on. Alt+9 switches to the last tab. This matches the shortcuts on Linux.

Vimmatic allows you to browse web pages with Vim-like key binds.

Open selected links.

Easily prevent web pages from accessing Internet while your extension still is connected to the web.

Globally control media playbacks across tabs at the toolbar.

A highly customizable bookmark desktop management tool; Integrated icon manual sorting, large folders, and dynamic wallpapers; And it provides many exquisite small components such as Chat AI, weather, calendar, to-do list, countdown, etc

Enables two-finger swipe (backwards/forwards) in Firefox for Precision Touchpads.