This Web Clipper tool is an alternative to the MarkDownload Extension. It uses a bookmark to create a new file in Obsidian. Bookmarklets work across browsers and can sync across devices if you sync your bookmarks.
This bookmarklet supports both clipping the entire page, or just a selection. Here’s a 90 second demo of how it works:
You can find the code on Gist. To install the Web Clipper copy the code into the URL field of a bookmark.