For authentication, you could add an option for passing http headers, as well as...

		donatzsky on Aug 23, 2019 \| parent \| context \| favorite \| on: Show HN: CLI tool for saving web pages as a single... For authentication, you could add an option for passing http headers, as well as accept Netscape-style cookie files. Whenever I want to download a video, using YouTube-dl, from a site that requires authentication, I first login using my browser and then exports the cookies using an extension.

May I ask what extension you use for cookie exporting?