Choose a clear topic for the video
Identify the main idea you want to show
Use a high-quality image or screenshot
Crop the image to fit a 16:9 ratio
Make the subject large and easy to see
Use bold, readable text with few words
Use high-contrast colors
Keep the design simple and uncluttered
Highlight one focal point only
Use expressive faces if relevant
Add branding elements consistently
Make sure text is readable on mobile
Use arrows, circles, or highlights sparingly
Match the thumbnail style to the video content
Test different thumbnail versions if possible
Export in a high-resolution format
Keep the file size optimized for upload