How do i import svg file from URL? / How do i save downloaded svg?

Hello everyone, I have svgs that are loaded via filechooser, using the save event they are not saved because they are in the cache, there is an option to save svg as xml inside the project, but how to make xml into svg I do not know, maybe there is an option to save svg on the server, but how to load svg via URL I also do not know, maybe you have some solutions?

thanks