I am wondering wether this is a (considerably) secure method of generating passwords in general. The example I made was very simple and not creative. It only tr

I am wondering wether this is a (considerably) secure method of generating passwords in general. The example I made was very simple and not creative. It only tried to illustrate what I am thinking about. Edit/ Addition: Can you share the tool you used to estimated the time? I knew there is a way to see how random something is, but search results are cluttered with generators and I couldn't find something.