Always switch to left side tab,when the currently active tab is closed. only support Firefox Quantum 65 or later. Uses the new extension API,will never activates right side tab and then jump to left one.

Improved Security & Privacy for Firefox: Boost your privacy and security to protect your personal data. Force secure connections, block malicious attacks, and avoid tracking.

Displays the "Leave Page" prompt to avoid accidentally closing the current window. **BUG** To allow Firefox to shut down, click Stay on page and the Close This Tab button before you exit.

Allows to manage the mute state of a group (or all) tabs to only keep the currently focused one of the group unmuted and mute the others. Quick-Change via Toolbar Button and permanent ex/inclusion via preferences

List & search all links of the current web page in the sidebar.

Infinity New Tab Pro allows you to customize your New Tab page

Saves selected or all tabs into a timestamped bookmark folder for later use

You can display a button on the panel to stop and resume playing music (for Yandex music) without switching to the tab.

Tab Master 5K replaces your New Tab page with a full-featured tabs, history, bookmarks, and sessions manager.

Switch to Pinterest (Pin Tab) with a single click or a Hot Key (Alt+P)!

An incredible New Tab page featuring custom backgrounds, widgets and settings. A must have Add-on for everyone with no hidden costs.

Resize the window to the most ideal size for the page you are on

Control Youtube music tab from other tabs.

Automatically close tabs that have been ignored for too long. Free yourself of digital clutter.

Displays a sidebar that let you access and send skype messages and skip the "Browser not supported" message !

If a website doesn't have a favicon, Favioli uses an emoji as a favicon.

A gorgeous minimalist new tab page featuring a clock and date.

github.com/ErikBoesen/BWNT

Opens multiple pages with continuous numbering in the URL

A chrome extension that helps you be more productive. Fewer tabs = happy Tabagotchi. More tabs = angry Tabagotchi.

Sort tabs by title/domain

An option to look up a selected word on a Japanese-English dictionary called Jisho from right-clicking it.

auto closes idle tabs when not active, hidden, playing audio, highlighted/selected, pinned or contain visible text input field with text in them.

Provides a keyboard shortcut (Shift + Alt + C by default) to create a new tab that retains the current/last-used container.

Automatically connect, reconnect and optionally run the first cell of notebooks in Google Colab.

Context menu option to close all opened tabs for the same domain

This extension clears all but the active tab in Firefox.

This extension is to easily share your current page URL on social networks

Bulk close tabs with matching URLs or names.

Too many tabs open? Cleanup without clicking through them all. Close all matching the part of the URL or title.

Nox Player - a powerful emulator of the Android operating system that allows you to run applications directly on your PC.

Hide/show images, plugins and videos. Configurable per tab.