Privatkopiera is a free Chrome add-on developed by Stefan that allows users to download videos from various streaming services. This add-on identifies the addresses that can be used to download videos from popular platforms such as SVT Play, Sveriges Radio, UR Play, TV4, NRK, and DR.

To use Privatkopiera, users need to have some basic knowledge of computers as it requires running a command in the terminal to initiate the download. Additionally, users must install FFmpeg to ensure the add-on functions properly. More information on how to install FFmpeg can be found on the developer's website.

If you encounter any bugs or issues while using Privatkopiera, you can report them on the GitHub page dedicated to this add-on.

Overall, Privatkopiera is an open-source add-on that provides a convenient way to download videos from various streaming services on Chrome.