KDPActivityBook
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Free KDP Tool

Image Resizer & 300 DPI Setter (KDP Cover & Interior Scale)

Resize image dimensions by pixels, inches, or percentages with aspect ratio lock and 300 DPI print-prepress metadata tagging.

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Print-ready KDP interiors and full-wrap covers, checked against Amazon KDP specifications.

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KDP Cover CalculatorSpine width and full-wrap cover sizeKDP Bleed & Margin CalculatorInside gutter margins and safe zonesKDP ISBN Barcode Generator300 DPI vector barcodes for book coversKDP Word Count to Page EstimatorCalculate formatted pages, spine & print costJPG to WebP ConverterConvert JPG images to next-gen WebP formatJPEG to WebP ConverterTransform JPEG photos into lightweight WebP
Order on Fiverr — From $25

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