You can buy/print and stick a physical «webcam cover»[1] manually on your notebook or phone.
My current notebook, manufactured in 2023, has very thin bar on top of screen with camera, so I need a thin, U-like attachment for the switch, which is hard to find.
My current notebook, manufactured in 2023, has very thin bar on top of screen with camera, so I need a thin, U-like attachment for the switch, which is hard to find.
[1]: https://www.printables.com/model/2479-webcam-cover-slider