Resize for Book Cover

Auto-set to 1600×2560 pixels. Standard ebook cover at 1.6:1 ratio for Kindle/KDP.

Drop your image here 🍡

PNG, JPG, WebP, BMP — any size, mochi handles it all

Resized Image
Result
Dimensions
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File Size
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Image too small? Sharpen first

If your image is smaller than the target size, use Sharpen for better clarity, then resize.

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Continue your workflow

Resize for Poster →Compress Image for Web →Crop Image to 16:9 →
Type Dimensions Ratio
Use CaseBook Cover
Dimensions1600×2560 px
Aspect Ratio5:8

Frequently Asked Questions

What size should a book cover be?
The recommended size is 1600×2560 pixels. Standard ebook cover at 1.6:1 ratio for Kindle/KDP. This ensures optimal quality across all platforms and devices.
What file format should I use?
JPEG is best for photos, PNG for graphics with text. Keep file size reasonable for upload limits.
Can I use any image for a book cover?
Yes, but for best results start with a high-resolution image at least 1600×2560 pixels. Smaller images may appear blurry when enlarged.