Stop designing the first thumbnail that comes to mind.
Start with a clear title and creative direction. Generate several matching options, compare them at the same size, and choose the one that communicates the promise fastest.
From a blank canvas to a decision you can defend.
The thumbnail is not decoration added at the end. It is the visual half of the promise your title makes.
Start from the packageUse the core idea and title so every direction represents the same video.
Compare several optionsGenerate one to four images at a time instead of treating the first output as final.
Choose the Main thumbnailKeep the selected image linked to the Project with the other completed generations.
Judge the visual at the size viewers will actually see.
Use the free Thumbnail Tester for a fast clarity check, then return to the Project to keep working on the complete package.
- Preview it inside a YouTube-style feed
- Use blur to check whether the focal point survives
- Compare the visual with the selected title
Prefer to work from Codex or Claude?
Use the Mittalmar MCP to draft the prompt, confirm generation, and return completed image links to your conversation.