If your Mac leaks geolocation data, a VPN might not be enough.

To get more privacy from a virtual private network, disable IPv6 on Apple devices.
Whether you're using a MacOS or Windows device, a well-tried and solidly secure virtual private network has quickly emerged as the essential privacy tool for many users fighting persistent data tracking.Even though there are a growing number of VPNs to choose from, even the best can't overcome a major privacy protection flaw:your IPv6 identifier.
IPv6 is the successor to IPv4, which is what you normally think of as your IP address.However, IPv6 can also reveal information about your location that could be used to identify you personally.As a result, each of our top VPN recommendations incorporates IPv6 leak protection in some way.However, you may not always be able to take full advantage of IPv6 security if the configurations of your own device or other software conflict with your VPN.
It only takes a few clicks to disable IPv6 on Windows, so you can quickly locate tutorials for the procedure online.Disabling IPv6 on a MacOS device requires a few more steps, but the process takes less than five minutes.Additionally, your method will be determined by the configuration of your device.
The two most common ways to disable IPv6 on MacOS are listed here, along with the steps you can take to enable it again if you decide otherwise.