GUIDES / USEFUL BEFORE EXPORT
YouTube thumbnail design guides for the work before upload.
Short, practical references for getting the brief right, checking the canvas, and making the thumbnail understandable at a small size.
YouTube thumbnail size in 2026: video, Shorts, and podcasts
Current dimensions and file-size guidance from YouTube Help, plus a checklist before export.
Read the guide ↗How to brief a YouTube thumbnail designer
A copyable brief that gives a designer enough context without a long questionnaire.
Read the guide ↗Design is a decision, not a pile of effects
Start with what someone needs to understand: the subject, the moment, and the relationship between the title and image. Then check the composition at the size where people are likely to encounter it.
Use the mobile-feed preview tool to test a local image in your browser. The image is not uploaded to a server.
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