if we're talking about Windows, I think the APIs should still exist: https://analogfeelings.xyz/knowledge/writing-a-screensaver/
They're just regular programs and it should be possible to load a WebView inside
analogfeelings.xyz
Writing a Windows ScreensaverA knowledge article on writing native Win32 screensavers.
December 12, 2025 at 8:02:31 PM