Singlefile

Overview

SingleFile is a free and open-source browser extension and CLI tool that allows users to save entire web pages — including images, CSS, fonts, frames, and scripts — into a single self-contained HTML file. It enables reliable offline access, long-term archiving, annotation, batch saving, automatic capture, and cloud storage integration. Designed for researchers, students, journalists, and digital archivists, SingleFile preserves the full structure and appearance of web content with a single click.

Key features

• Web archiving
• Offline reading
• Browser extension
• Open source
• HTML snapshot
• Page capture
• Research tools
• Annotations
• Batch saving
• CLI tool
• Web preservation
• Cloud export