An aspect ratio describes the proportional relationship between the width and height of an image or video. It's expressed as two numbers separated by a colon (e.g., 16:9).
- 16:9 - The standard for HD and 4K video, YouTube, and most modern displays
- 4:3 - Traditional television and computer monitors, iPad screens
- 1:1 - Square format, popular for Instagram posts and profile pictures
- 21:9 - Ultra-wide cinema format, used in movies and gaming monitors
- 9:16 - Vertical video format for TikTok, Instagram Stories, and Reels