# Can I trust the software?

It’s important to understand that the Alby Browser Extension is a fully client-side application when you connect your own Lightning wallet. It does not include any tracking software, and there is no connection to the Alby organization in this setup. As a result, no data is shared with us—you only need to trust the software itself with your data.

The Alby Browser Extension is free and open-source software. Its [full source code](/user-guide/browser-extension/faq/how-do-i-install-the-alby-browser-extension.md) is available on GitHub for anyone to review, compile, and use, along with instructions on how to build the extension yourself.


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