Firefox Extensions

This browser extension downloads books from Internet Archive and HathiTrust Digital Library, with a notice naming its official source.

Betterfox provides Firefox about:config preference tweaks and user.js settings intended to adjust privacy, security, and performance.

Bookmark Search Plus 2 filters bookmarks by search text and shows their parent folders in a Firefox extension.

Web Search Navigator adds keyboard shortcuts to Google, YouTube, GitHub, Amazon, and other sites, with support listed for major browsers.

TablissNG offers a customizable new-tab page for Firefox, Chrome, and Edge, maintained as a version of the Tabliss project.

Cookie-Editor lets users create, edit, and delete cookies for the current browser tab.

Sine manages themes for Firefox-based browsers, according to its project description.

OneTab saves browser tabs into a list to reduce tab clutter and memory use in Chrome and Firefox.

Sidebery manages Firefox tabs and bookmarks in a sidebar through a browser extension.

Mouse gestures and browser commands are available through Gesturefy, a customizable Firefox add-on designed for mice, not touchpads.

Mozilla's official repository contains the source code for Firefox, a web browser with builds for Windows, macOS and Linux.

ContextSearch web-ext lets users select text and search it from the context menu or a tiled popup using installed search engines.

FireMonkey combines user-script and user-style management in a Firefox extension, with a compatibility mode for scripts from other managers.

FoxyLink adds link-related actions to the browser context menu, including opening or copying selected links.

CRX Installer installs Chrome extensions in Zen, Firefox Nightly, and LibreWolf, with additional setup steps noted for some browsers.

The CatalyzeX Firefox extension helps find code implementations for research papers across search and research sites.

Bookmark Batch-Updater for Firefox can replace bookmark URLs or modify matching bookmark names in bulk.

Container Tab Groups organizes Firefox tabs into Chrome-like groups using Firefox container tabs, which keep browsing contexts separated.

Search Site WE searches within the current subdomain or entire domain through a toolbar button or context menu.

Print Edit WE lets users edit webpage content before printing or saving it, with options described in its Firefox extension listing.

Infy Scroll adds configurable infinite scrolling to websites and can automatically load the next page, according to its Firefox listing.

Temporary Containers opens tabs, websites, and links in disposable Firefox containers that isolate attached data and are deleted after use.

The Ecosia Firefox extension sets Ecosia as the browser’s default search engine; the add-on is free to download.

The Firefox add-ons directory lists extensions for customizing browsing, including categories for bookmarks, downloads, feeds, games, and appearance.