Universal Sidebar

Open websites in a sidebar for quick and easy access. Add AI tools and social networks like ChatGPT, Perplexity AI, HuggingChat, Claude AI, X (Twitter), Whatsapp, Telegram, etc. You can add your favorite sites or any URL to the sidebar.

Universal Sidebar is available to install from Firefox Browser Add-ons and for download from this page. It has 73 daily users The latest version is 1.4.1, and it was published 5 months ago.

View source code

Install from Firefox Browser Add-ons

Total download count: 0 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of Universal Sidebar here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions

Version	Download	Size	Timestamp
1.4.1	XPI · ZIP · Source code	26.29K	2024-10-27
1.4	Paid users only	26.25K	2024-06-30
1.1	Paid users only	23.47K	2024-06-26
1.0	Paid users only	23.48K	2024-06-24

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

Download the Universal Sidebar ZIP file
In Firefox browser, go to about:addons to open Add-ons Manager
Click on , then select Install Add-on From File
Select the Universal Sidebar ZIP file from step 1. Universal Sidebar is now installed on your browser.