"The primary entry point for this API is a file picker (i.e. a chooser)." ...so ...

		RandomBookmarks on Nov 12, 2018 \| parent \| context \| favorite \| on: Web Writable Files API: Simplifying Local File Acc... "The primary entry point for this API is a file picker (i.e. a chooser)." ...so what would be difference to today, where a user can "upload" files to the browser's local storage, and then the web app can work with the file(s)? I get it that you avoid to have to "re-download" the file, but that seems to be a small benefit for the risks we get.

The browser retains the permission for the app to write the file back later, I believe.