I went through the very same path and wrote almost the same Bash script, then packaged it as a MacOS app: http://github.com/samet/sessionless http://github.com

I went through the very same path and wrote almost the same Bash script, then packaged it as a MacOS app: http://github.com/samet/sessionless http://github.com/samet/sessionless When I need a true sessionless browsing experience, here is what I do: 1. cmd+space, open Sessionless 2. do whatever do you want with a true sessionless mode 3. cmd+q, quit with sweeping every trace 4. profit Besides, I can open more than one independent Sessionless windows; a feature which is not possible using Incognito mode.