SingleFileZ is a powerful add-on designed for Firefox users, enabling them to save complete web pages as single HTML files. This tool captures all elements of a webpage, including CSS, images, fonts, and frames, packaging them into a valid ZIP file for easy storage and access. Users can initiate the saving process by clicking the SingleFileZ button in the toolbar after the page has fully loaded, with the option to cancel the action if needed.

The add-on offers extensive functionality through its context menu, allowing users to save the current tab, selected content, frames, or links. It supports batch processing for multiple tabs and includes features for auto-saving pages once they are loaded. Additionally, users can enable uploads to Google Drive or GitHub and utilize customizable shortcuts for efficiency. Overall, SingleFileZ is an essential tool for anyone looking to archive web content seamlessly.