Great news for Instagram video posts and IGTV: you can now select a specific thumbnail from your video.
Get a 100% accurate preview when planning your Instagram grid and choose the right thumbnail for each video.*
You’ll find the option after you upload the video, in the top left corner. Once you select it, the video slider will show up. Move your cursor along it to scroll through the video frame by frame and set the preferred thumbnail.
*This is only available for posts that are directly published to Instagram and IGTV content.