Firefox Extensions to Low memory usage

OneTab is a browser extension for Chrome, Firefox, and Edge designed to significantly reduce memory usage and declutter your tab bar. By converting multiple open tabs into a single list, it optimizes performance and improves browsing organization.

EPUBReader is a lightweight and efficient browser extension that allows users to open and read EPUB e-books directly within their web browser. It provides a simple and intuitive reading experience without requiring external software.

Firefox PDF Viewer (PDF.js) is an open-source, web standards-based PDF viewer embedded directly within the Firefox browser. It allows users to view PDF documents seamlessly without the need for external software or plugins, enhancing browser-based document handling and accessibility.