For pure graphic content, the officially recommended sizes are as follows: vertical screen 3:4, square 1: 1, horizontal screen 4:3. According to the law, the size cover of 16: 10 can be made first. It is easy to cut the back slightly up and down, and the sizes of 16:9 and 2.35: 1 are obtained in turn. The pixel size in the picture is only a suggested size, so you can play freely according to your own situation.
Little Red Book video cover:
For video content, although videos of various sizes can be sent out, the video cover has only three sizes: horizontal version 4:3, vertical version 3:4, square 1: 1.
However, similar to graphic content, because the horizontal version occupies less screen space and the vertical version occupies more screen space, most authors will choose the vertical version, or embed the video with the horizontal version into the video frame with the vertical version.
Default cover video screenshot, for video content, the default cover is the first frame of the video, which can start from the first frame. If the first frame of the video is not good enough, you can also choose a video screenshot as the cover. When uploading video, you can adjust the settings in this section. Suitable content: beauty tutorial, wearing and sharing, landscape shooting, etc.