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Enhance your images to 300 DPI print quality using AI. Perfect for KDP book covers and interiors — no signup, no charge.
Click to upload image
Supports JPG, PNG, WebP
Max file size: 10MB
Upload an image and click Upscale to see the enhanced result
Rather than stretching your image directly to the target size (which causes blur), we upscale in gradual steps for significantly better quality.
After upscaling, we apply a mild unsharp mask to restore edge detail and reduce the softness that comes with any upscaling process.
Amazon KDP requires cover images at 300 DPI minimum. A 6"x9" cover needs at least 1800x2700 pixels. Use our presets to hit exact targets.
Start with the highest resolution source image you have. Upscaling works best when increasing size by 2-4x. Larger increases may show artifacts.
You have a 300 DPI asset — the hard part is done. Drop it into KDPEasy's cover wizard and build a complete front, spine, and back cover around it in minutes. No design skills needed.
Want a complete cover?
No upscaling needed — every cover is print-ready from the start.
Amazon requires 300 DPI for professional print quality.
Low-resolution images are a top reason for KDP rejections.
High-resolution images look sharp and professional in print.
No need to hire designers to fix low-res images.
Midjourney exports at 72 DPI by default. Upscale your generated art to 300 DPI here before embedding it in your cover or using it as interior artwork in an art book, coloring book, or illustrated story.
Canva's free plan does not offer high-DPI PDF export. Download your design as a PNG at maximum size, then upload it here to bring it to 300 DPI — no Canva Pro subscription needed.
That perfect stock photo from 2012 might only be 800×600 pixels. Upscaling transforms it into a usable cover element without the recurring cost of buying a new high-res license.
Hand-drawn artwork scanned at 150 DPI, or digital illustrations exported at screen resolution, need upscaling before KDP will accept them. Run each image through the upscaler to ensure consistent print quality throughout your book.
Free image sites like Unsplash or Pexels serve images optimized for web, not print. Before using a free-license photo on your coloring book or journal cover, upscale it to confirm it meets the 300 DPI requirement.
Amazon KDP requires images to be at least 300 DPI for print quality. Our upscaler ensures your images meet this requirement.
AI upscaling uses machine learning to analyze your image and intelligently add detail and resolution without blur or pixelation.
Yes! Images are upscaled to 300 DPI, meeting Amazon KDP print quality standards for both covers and interiors.
We support JPG, PNG, and WebP formats. The output is always a high-quality PNG file.
Yes, files must be under 10MB. This accommodates most book cover and interior images.
Yes. AI image generators typically output at 72 DPI screen resolution. Upscaling to 300 DPI is required before you can use those images on a KDP book cover or interior. Upload your exported AI art directly to this tool — it handles all formats from Midjourney, DALL-E, Stable Diffusion, and Adobe Firefly.
Canva's free plan exports images at 96 DPI by default, which is below KDP's 300 DPI requirement. Download your design as a PNG from Canva, upload it here, and the upscaler will enhance it to 300 DPI print quality. For best results, export the largest pixel dimensions Canva allows before upscaling.
DPI (dots per inch) is the print density of your image. If your image is 900×1350 pixels and you set 300 DPI, it will print at 3"×4.5". Upscaling adds more pixels so the image can be printed larger at 300 DPI. This tool increases both pixel count and sets the correct DPI for KDP compliance.
AI upscaling significantly improves perceived sharpness by reconstructing fine details the original lacked. Results are best when the source image has some detail to work with. A completely blurry or heavily compressed image will improve but may not be fully restored — in those cases, recreating the image at higher resolution is recommended.
You can use this tool as many times as you need — it is completely free with no usage limits. However, upscaling an already-upscaled image typically yields diminishing returns; the AI works best on original source imagery.
Yes. Any image you plan to embed inside your KDP paperback or hardcover interior must also be at least 300 DPI. Upload individual interior images to this tool to ensure they meet KDP requirements before including them in your manuscript.
Absolutely. If you designed your cover in Canva, Adobe Express, or another app and the export came out under 300 DPI, upload the flat file here. The upscaler will increase resolution without re-rasterizing your text (as long as text was flattened into the image at a reasonable size).
KDP prints at 300 DPI, and a low-resolution image stretched to full cover size appears pixelated or blurry in print. Amazon enforces the 300 DPI minimum to protect print quality and prevent negative customer reviews caused by poor-looking covers. This tool ensures your image meets that threshold before submission.
A 6"×9" paperback full cover (front + spine + back with bleed) at 300 DPI requires roughly 4500×2775 pixels or more. Use the KDP Cover Size Calculator to get your exact canvas size in inches, then multiply by 300 to get the required pixel dimensions.
Create professional KDP covers with built-in 300 DPI. No upscaling needed.