Social Media Aspect Ratios Platform Recommended Aspect Ratios Elaboration Facebook 1:1, 4:5, 9:16 Supports 1:1 for square posts, 4:5 for vertical posts, and 9:16 for stories. Instagram 1:1, 4:5, 9:16, 16:9 1:1 for square posts, 4:5 for portrait, 9:16 for Reels/Stories, and 16:9 for landscape posts. TikTok 9:16 Primarily uses 9:16 for its vertical format. Twitter 16:9, 1:1 Supports both 16:9 (landscape) and 1:1 (square) for videos. LinkedIn 1:2.4, 16:9, 9:16 Recommends 1:2.4 for native videos; also supports 16:9 and 9:16. YouTube 16:9 Standard 16:9 for most videos; 9:16 for Shorts.