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Google VPN

VPN client library that provides a secure, encrypted tunnel for connected devices


Virtual Private Networks (VPNs) are an important tool for users that want to add a layer of security and privacy to their online activity. It is important for users to be able to trust that their VPN is implemented with the right encryption technology and with sound security and privacy. To that end, Google provides a reference, open source implementation for the VPN used in VPN by Google One.

The VPN libraries in this repo are currently adopted by the Google One Android App as of October 2020, and by the Google One iOS App as of February 2022.

Current status

The VPN client library is currently available for Android and iOS

Important considerations: The source code in its current form may not be buildable and is meant as a reference implementation that is not intended for direct adoption into other client applications given the dependencies that exist with other parts of the system. While the team that maintains the project at Google made a best effort to ensure parity between the open source library and the version implemented across various clients, we cannot offer explicit guarantees

Learn more

You can learn more about the implementation of the Google VPN libraries by visiting

Community contributions

At this time the project is not accepting community contributions, however, if you find a security issue/vulnerability, please report it by going to to include it in our Vulnerability Reward Program.


The VPN client libraries provide a reference implementation for a secure, encrypted tunnel for connected devices. Full Public report:




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