THUMBNAIL DIMENSIONS, FORMATS, AND BEST PRACTICES

Perfect thumbnails grab attention and boost engagement. Go with a 16:9 aspect ratio, like 1280x720 pixels, for platforms like YouTube. Use JPEGs for smaller file sizes or PNGs for transparency. Aim for 150 KB to keep them load-friendly. Keep designs vibrant but simple, with readable text that reflects your brand's style. Avoid clutter and misleadin