The versatile Raspberry Pi can be configured to serve many functions. This includes creating an extender for your wi-fi network to cover dead spots.

Learn how to search for and change Wi-Fi networks on Raspberry Pi using the command line interface.

If your Wi-Fi router just isn't quite reaching where you need it to, you can turn your Raspberry Pi into a range extender ...

Set up a Raspberry Pi travel router to secure your internet connection. Enjoy safe browsing on public Wi-Fi networks.

Many consumer routers have built in functionality for something like this, but a Raspberry Pi can give you nearly gigabit wireguard speeds (if you need it).

Although the Pi's Wifi probably doesn't perform as well as a dedicated access point/router, so a standalone AP might be necessary for a lot of people.