Turn any photo into a personalized, printable line art coloring book with AI
AI-powered image upscaler that enhances low-resolution photos to 4K quality
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free 2-page preview with no sign-up or credit card required. Paid credits: 10 Credits for $9, 20 Credits for $14, 30 Credits for $19 (one-time payments). One credit equals one finished page. Credits never expire.
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Key features
Free 2-page preview without sign-up or credit card
Two style options: Realistic detailed line art or Cartoon chibi style
Print-ready PDF in KDP-friendly proportions
High-resolution PNG pages included with every book
Commercial license included with all books
Marker-friendly line weight suitable for crayons and fine markers
Closed, continuous outlines that prevent color bleeding
Book generation in approximately six minutes
Multiple page length options: 5, 10, or 20 pages
AI-powered detail enhancement and reconstruction
Multiple upscaling options up to 4x resolution increase
Professional 4K upscaling suitable for commercial use
Portrait enhancement mode for facial features
Supports multiple image formats including JPG, PNG, WEBP, BMP
Batch processing up to 100 images at once
Instant HD conversion in 15-30 seconds
API access for batch and advanced processing
Face restoration with CodeFormer model
Anime and illustration upscaling with specialized models
What makes it different
Pay-as-you-go credits that never expire
Print-ready output suitable for home printers, print shops, or Amazon KDP
Lossless AI upscaling that preserves natural textures and details without over-sharpening
Privacy-first: all images automatically deleted after processing, never permanently stored
Fast processing with crystal-clear results in seconds
Transparent pricing with free tier and multiple paid plans
Independent operation with clear disclosure of AI models used
LineArt
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