ZeroPacket Offline Browser is an Android application developed by Xavier Roche that saves websites, allowing you to browse them even when offline. With this app, you can save any webpage by opening it in your browser and selecting "Share page" and then "ZeroPacket Browser" from the menu. Once saved, you can access the webpage even without an internet connection.

The app offers additional features such as the ability to edit the saved page's title, specify the page range, set the cache size, and tag the page. You can also choose to enable auto-update, which automatically updates the page at a specified time and day. Additionally, the app warns you when non-Wi-Fi communication is detected, but it is not a perfect check. Overall, ZeroPacket Offline Browser is a useful tool for anyone who needs to access webpages even without an internet connection.