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Use Mac as a Hotspot to share internet? How to set up Internet Sharing and limitations you should know

Published on May 23, 2025

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Use  Mac as a Hotspot to share internet? How to set up Internet Sharing and limitations you should know
Many people may not know that Macs can share their internet with other devices just like smartphones, using a feature called Internet Sharing, which can turn your Mac into a wired or wireless Hotspot. However, there are some limitations you should know before using it.

🔧 How to set up Internet Sharing on Mac
Things to prepare
💡Important Note: macOS does not allow you to share a Wi-Fi connection over Wi-Fi (i.e., receive Wi-Fi and then re-broadcast it as Wi-Fi). You must receive the internet via Ethernet or USB to share it wirelessly.

⚠️ Limitations of Internet Sharing on Mac
              Aspect                                               Details
  Share Wi-Fi → Wi-Fi                          ❌ Not directly possible
  Share Ethernet → Wi-Fi                    ✅ Possible
Share Mobile Internet via USB           ✅ Works in some cases
  Security                                 WPA2 Personal option available
  Battery Life                             MacBook will consume more power
  Speed                                      May decrease when sharing with multiple devices

📌Is Using Your Mac as a Hotspot a Good Idea?
Pros:
Cons:

🔚Summary
Using your Mac as a hotspot with the Internet Sharing feature is a useful option in various scenarios, especially when a router isn't available. However, it's important to understand its limitations, such as not being able to share Wi-Fi over Wi-Fi, and to be mindful of security and power consumption.