There are very few services on the Internet that let you simply upload videos to device frames, especially free platforms. However, if you have video editing software such as Adobe After Effects, you can import images and videos and create them yourself; although value added and time are against an earlier option.
Notwithstanding the foregoing, I managed to use the Google Art Art Generator page to retrieve the device bezels that they offer quite easily. All you have to do is create a solid background color in Adobe Photoshop (as an example), say bright green, and then load it into the generator. Download the image generated using the deviceโs art with a rich fill color, then use the Magic Wand tool in Photoshop and just remove the solid color. With that in mind, the next step is to simply insert the video using After Effects into the transparent space that is now available. This is even a bit overkill, since you only need to overlay the video image in the screen size of the created screenshot from Google, but it gives you an idea of โโhow you could achieve what you want.
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