How to block apps from accessing Internet on Mac

In the process of using applications on macOS, there will be some applications that you just want to use offline because that has all the necessary features. As a macOS user, I also encounters this situation. In this article, I will introduce a way to block apps from accessing the Internet on Mac using Radio Silence, this is the method that I am using.

Benefits of using Radio Silence

I know that there are many ways to block an app from accessing the internet on a Mac. But which method I find to be the simplest, most compact, and most effective, I will introduce it. These are the benefits you using Radio Silence.

Protect your privacy, and prevent apps from connecting the internet to their servers, this helps you save bandwidth for your WiFi.
Doesn’t take up much memory or RAM, very compact.
No need to open the application window, Radio Silence will run in the background with only about 6MB of RAM. Does not affect the performance of the device.
The latest version is compatible with both Intel chips and M1 and M2 chips.
User-friendly interface, easy to use.
The cost is very low, only $9 for permanent use.
It was there more than 10 years ago and is still updated today.

Radio Silence installation instructions

Step 1: Download the installation file directly from Radio Silence’s website.

Step 2: Open the PKG file to start installing Radio Silence. Just keep clicking until the installer displays a notification that the installation was successful.

Step 3: Open Radio Silence and Start Free Trial. If you have a key, enter it and click Activate License.

Step 4: Give Radio Silence full permission. Follow the app’s requests and click Allow when the app asks for permission.

Grant full permissions to Ratio Silence for it to work

So you now have an application that can block apps from accessing the Internet on Mac. Please read the next section to learn how to use it.

Block apps from accessing Internet on Mac

Step 1: To block an app from accessing the internet, click the Block Application button.

Click the Block Application button to block apps from accessing Internet

Step 2: Go to the Applications folder and find the application that you want to block from accessing the internet. Note that you must select the application file, not the application folder.

Select the app that you want to block from connecting to the internet on macOS — Select the app that you want to block from accessing the internet on macOS

Step 3: Check if you have selected the correct application file. Please drag the Radio Silence window wider to see the file extension. It should be “.app” to be correct.

List of applications that have been blocked from connecting to the internet on Mac — List of applications that have been blocked from accessing the internet on Mac

To temporarily allow the application to access the internet again, you just need to turn the ON button to OFF without having to delete the application from the list.

Conclusion

With just a compact, sophisticated application like Ratio Silence, you can easily block an app from accessing the internet on macOS. This app needs to run in the background to be effective, so you shouldn’t uninstall it if you still need the feature, but with only 6MB of RAM, it’s not worth it. Please leave your opinion below in the comments section.