The .wiz domain extension is about skill, guidance and clever problem solving. It suits people and projects that want to show real expertise or walk visitors through a task, using a short word that is easy to say and remember.
The name also fits step-by-step helpers, the kind of software wizard that guides a user through a job. Typical addresses include setup, migrate, fix, help, debug and tips, along with tutorials, troubleshooting pages, support sites and automation libraries. This top-level domain also works for magicians and entertainers who want to use the word in its literal sense.
If you run a consulting practice, a developer tools project, a classroom resource or a gaming or maker community, this name gives you a playful way to say you know your subject. You can use it for how-to guides, expert pages, scripts and shared techniques. It also looks tidy on QR codes, event materials and product packaging.