AI-powered KDP book cover generator for Kindle eBooks, paperbacks, and hardcovers without manual design work
Free online AI image generator using Stable Diffusion XL
Stage
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Founded
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Based in
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GB
Pricing model
Paid
Free
Pricing
Starter Pack: $3.99 for 40 credits (1 print-ready cover download + 10 AI generations); Author Pack: $9.99 for 120 credits (up to 4 print-ready downloads + up to 120 generations); Studio Pack: $24.99 for 350 credits (up to 11 print-ready downloads + up to 350 generations). Free credits available for
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Key features
AI cover generation based on book details and genre
Kindle eBook cover export at 1600 × 2560 px
Full-wrap paperback PDF with front, spine, and back cover
Hardcover full-cover PDF with wrap and hinge space
Bleed, margin, and barcode-safe area setup
Genre-specific cover styles and presets
Reference image upload to guide cover style
Print-ready ZIP export with PDF, front image, and specs
No design skills or KDP knowledge required
Text to image generation with customizable styles and aspect ratios
Inpainting - add or replace parts of images
Outpainting - extend image size
Prompt Database with 9 million prompts
Reference image input for guided generation
Multiple model options and style presets
GPU-enabled fast image generation
High quality photo-realistic output
CC0 licensed images for commercial use
What makes it different
Eliminates manual spine math and bleed calculations for print covers
Purpose-built for KDP publishing workflow, not a general design canvas
Supports all three KDP formats in one tool: Kindle eBook, paperback, and hardcover
AI tuned to genre visual conventions and thumbnail legibility
Commercial publishing rights to downloaded covers
Free access with no installation required - web-based interface runs on GPU servers
High degree of control with inpainting, outpainting, and style options
All generated images are CC0 licensed for unrestricted commercial use
Prompt Database with 9 million examples to improve image generation quality
Real-time generation with SDXL Turbo single-step processing
BookCoverAI
Stable Diffusion Online