Effective date: 2026-02-10
We believe that your chat data belongs to you. Sidecar is designed to be privacy-first, operating entirely locally within your browser.
Sidecar is a client-side browser extension. We do not transmit your personal data, chat history, or API keys to any external servers.
To function correctly, Sidecar requires specific browser permissions:
storage: Used to save your preferences, macros, and
interface settings.activeTab: Used only when you activate the extension to
inject the Sidecar interface into the current ChatGPT tab.host_permissions (chatgpt.com): Required to modify the page
layout (Wide Mode) and add the Dock interface.All data generated by Sidecar (such as saved macros) lives on your device. Uninstalling the extension removes this data permanently from your browser.
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page.
If you have any questions about this Privacy Policy, please contact us via our GitHub Repository.