
SingleFile is an open-source browser extension and CLI tool that lets users save entire web pages, including all resources, as single HTML files. It supports batch saving, annotation, and cloud export, making it ideal for researchers and anyone needing reliable offline copies of web content.
In the Browser DevTools & extensions space, SingleFile takes a focused approach. It allows users to save complete web pages as single HTML files for offline access and archival. It is built as an open-source project for researchers. SingleFile is open source under the AGPL-3.0 license. The product ships for the web, the command line, embeddable surfaces, iOS, and Android.
Behind SingleFile is Gildas Lormeau, based in the United States, and the product first shipped in 2010. Development happens publicly on GitHub with 21.6k stars. Key capabilities include save web pages, offline access, and batch save.
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