Compress Images for eBook — Keep Quality, Beat the Limit
eBook covers are the primary marketing asset for digital books on Amazon Kindle, Apple Books, and other platforms. A high-quality optimized cover stands out in store search results. Use ImageSmith to compress your eBook images before sending — free, instant, and entirely in your browser. No account needed, no watermarks, no ads. Target under 2,048KB for best results on eBook.
Max File Size
2,048 KB
Recommended Format
JPEG
Dimensions
1600×2560 (Amazon Kindle ideal ratio)
eBook Compression Tips
- 1.Amazon Kindle recommends 1600×2560 pixels (2:3 portrait ratio)
- 2.Minimum height 1000px, ideal height 2500px for best store display
- 3.Keep cover JPEG files under 2MB
- 4.Text must be readable at thumbnail size (around 100px tall)