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Cover Quality Audit
Free during beta

Will your cover survive
the thumbnail?

Most Amazon shoppers see your cover at 200×320 pixels — phone-thumbnail size. We check readability, contrast, alt text, and genre fit so you can spot issues before publish.

Readability
200×320 thumbnail
Contrast
WCAG 2.1 AA
Alt-Text
AI Description
Genre Fit
KDP Conventions
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WCAG 2.1 AA
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