Lumo by Proton Sidebar is an innovative AI chat assistant designed for Firefox users, prioritizing privacy and security. This unofficial extension allows users to access the Lumo AI chat interface conveniently from the browser's sidebar, mirroring features found in other popular AI tools. With a focus on safeguarding personal data, Lumo provides a reliable solution for everyday tasks, enabling seamless integration of AI assistance in your browsing experience.

The extension is subscription-based and is compatible with Firefox version 90 and above. Built on the foundation of a previous project, it offers users a privacy-centric alternative to mainstream AI assistants. Although it is not officially affiliated with Proton, it respects the necessary trademarks and provides an open-source platform for contributions. Overall, Lumo enhances user experience while ensuring the confidentiality of personal information.