Author here, it makes me really happy to see SIngleFile on the front page of HN. Thank you! I take the opportunity to make you aware of the upcoming impacts of the Manifest V3 [1], and for those who prefer zip files, I recommend you to have a look here [2].
[1] https://github.com/gildas-lormeau/SingleFile-Lite
[2] https://github.com/gildas-lormeau/SingleFileZ