Convert your comics into optimized PDFs for your e-reader.

Cerberos transforms your CBR, CBZ, and PDF files into perfectly optimized PDFs for e-readers and tablets. It’s the most convenient way to prepare and share your comics directly with your favorite eBook reader app.

Key Features
• Convert CBR, CBZ, and PDF files into lightweight, high-quality PDFs
• Ready-to-use profiles for Kindle Paperwhite, Kindle Colorsoft, iPad, and iPhone
• Adjustable JPEG compression and PNG export options
• Monochrome and 4-bit color reduction for e-ink devices
• Automatic trimming, rotation, and contrast optimization
• Split double pages, resize to fit, or preserve original proportions
• Quick Testing Mode to preview settings on the first pages
• Save custom configurations as reusable profiles

Why Cerberos
Cerberos gives you professional-grade control with a simple interface. Whether you read on Kindle, Kobo, or iPad, you can easily create and share perfectly tuned PDFs for your device in seconds.

Supported Formats
CBR, CBZ, and PDF → Optimized PDF