Tool for a mobile web

what is a free tool to make a mobile web?

Your brain :slight_smile:

Your question is too vague to give a suitable answer so please elaborate on what you are trying to do? Are you building a mobile only website, an App, or a responsive website (desktop and mobile)?

There is no one tool as such but there are various tools that can help, although in the end it is mostly down to the developer to design with mobile in mind.

There are many free app creation programs online. Here is an article that covers several of them:

I use the free service, but it requires coding experience to use.