Last updated: October 29, 2021
Random User-Agent had never collected and will never collect any personal data, browsing history etc.
In future Random User-Agent may collect browser version, platform name and some kinds of user's settings (except blacklist/whitelist rules or any other data which can help identify user). This information is needed for decision on implementing new features, removing unused features or suggesting default settings for new users. It will happen only with your permission.
Third party services
Random User-Agent uses Chrome (Chromium) or WebExtensions Storage Sync API for storing user's settings and browser's Web Storage API (localStorage) for storing user's Developer Tools fixes.