Comic2Books: Professional Comic/Graphic Novel to ePub Converter

Comic2Books is a macOS-exclusive application designed to efficiently convert various comic and graphic novel formats (such as ZIP, CBZ, CBR, PDF, etc.) into ePub format, ensuring seamless compatibility with Apple Books and other mainstream e-readers.

✨ Key Features

📁 Broad Input Format Support

• Common Archive Formats: Supports ZIP, CBZ, RAR, and CBR files, compatible with the majority of comics downloaded from the web.
• PDF Support: Directly processes PDF comics or digital books, expanding the range of available resources.

🛠️ Highly Customizable Processing Engine

Built on the powerful go-comic-converter 2.7.2, it offers professional-level conversion control:

• Image Quality Adjustment: Customize output image quality to balance file size and reading clarity.
• Smart Cropping: Automatically detects and removes redundant margins, headers, footers, or page numbers (including even-page numbers), maximizing usable reading area.
• Contrast Enhancement: Offers auto or manual adjustment to improve contrast for aged scanned comics, enhancing visual clarity.
• Automatic Page Splitting: Intelligently identifies and splits two-page spread images into single pages optimized for vertical viewing on mobile devices or e-readers, greatly improving the reading experience.

📱 Optimized Output & Compatibility

• Apple Books Compatibility Mode: Specifically optimized for Apple Books, ensuring proper layout and smooth page-turning on macOS and iOS.
• File Size Limit: Set maximum output ePub file size to meet upload restrictions on platforms like Amazon Kindle Personal Document Service.
• Standard ePub Format: Standardized output ensures compatibility and proper display on other e-readers such as Kobo and Nook.

⚡ Advantages at a Glance

1. Native macOS Experience: Designed specifically for macOS, offering an intuitive, smooth native interface with deep system integration.
2. Open Source & Free: Licensed under MIT, completely free to use, maintained by an active developer community—secure and transparent.
3. Preserves Original Image Quality: Maximizes retention of original image details and colors while controlling file size during compression and conversion.
4. Enhances Portable Reading: Converts comics originally designed for landscape or large-screen viewing into formats ideal for on-the-go mobile reading.
5. Simplified One-Click Operation: Packages complex format conversion and image processing into simple drag-and-drop workflows—easy for non-technical users.

🚀 Getting Started

1. Download the latest version of Comic2Books from the GitHub Releases page.
2. Drag your comic files (.cbz, .cbr, .pdf, etc.) into the application window.
3. Adjust output settings as desired (quality, cropping, page splitting, etc.).
4. Click the Convert button to generate an ePub file optimized for e-readers.
5. Import the generated ePub file into Apple Books or transfer it to your e-reader and start reading.

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Comic2Books is a powerful ally for comic enthusiasts and digital readers, bridging the gap between traditional comic formats and modern e-book ecosystems, ensuring your favorite comics are always accessible in the best possible format.

Note: The application is actively under development. More advanced features and optimizations will be added continuously. Visit the GitHub repository to report issues or contribute code.