Instagram now supports 3:4 aspect ratio photos, the native format for most phone cameras. When users upload a 3:4 image, it appears exactly as shot. This applies to single photos and carousels. Users can still share posts in 1:1 and 4:5 formats.

TikTok's desire for creators to share longer videos is no secret. But photos, too? Recently, TikTok has been making a greater push for creators to post photo content.