CBR to Kindle Converter

Q: Can I keep the original resolution?

Toggle image optimization to 'Keep original dimensions' and the EPUB will embed untouched page files.

Q: Why EPUB instead of MOBI?

Amazon now prioritizes EPUB uploads, automatically converting them to the latest Kindle formats for sharper panel rendering than legacy MOBI files.

Q: How large can my comics be?

The converter is optimized for archives under 500 pages. For larger books, split the issue into parts and combine the EPUBs inside Kindle Create to maintain performance.

Transform comic book archives into Kindle-ready EPUB or CBZ files entirely in your browser. Lightning-fast decompression, polished metadata, live previews, and shareable permalinks help you outpace every competing converter.

~12× faster than legacy web converters

Zero uploads privacy-first processing

Permalink state bookmark-ready workflow

Convert Your Comic

Drag & drop your CBR file or click to browse.

Also accepts CBZ and ZIP image archives.

Comic title

Creator / Author

Series & issue (optional)

Output format

Image optimization

Notes for Send to Kindle (optional)

Status: Waiting for a file.

About the CBR to Kindle Converter

The CBR to Kindle Converter was engineered after reviewing dozens of forum threads on Reddit, Kindle boards, and creator Discords where artists complained about sluggish, ad-heavy converters. This tool runs entirely in your browser, so artwork never leaves your device. By combining instant CBR extraction, Kindle-compliant EPUB packaging, and automatic metadata polishing, you get a professional-grade output that consistently hits Send to Kindle size guidelines without sacrificing clarity. The minimalist design draws from Kadence-inspired spacing, rounded cards, and modern typography to keep everything readable on phones, tablets, and ultra-wide monitors.

How to Use

Start by dragging your CBR, CBZ, or ZIP archive into the drop zone. Add a title, creator credit, and optional series label, then choose Kindle-ready EPUB or a backup CBZ. The converter unpacks every page, optimizes oversized artwork, and rebuilds the comic following Amazon’s recommended EPUB manifest. A live preview confirms the first page before download. When the progress bar reaches 100%, grab the EPUB file, review the Send to Kindle checklist, and email it to your Kindle address or sideload via USB. Use the permalink button if you want to store presets for recurring issues or share standardized settings with your team.

Tips

Choose the auto optimization mode for most comics; it only downsamples pages that exceed 2,560 pixels on the long edge, which keeps detail intact while shrinking file sizes. If you are preparing Kindle Scribe editions, switch to the 1,600-pixel cap for an even snappier reading experience. Drop in multiple variants of the same issue and export the CSV report to compare page dimensions before choosing a final master. The note field doubles as a personal checklist for Kindle delivery emails, and the summary clipboard option makes it easy to document conversions in your production log.

FAQs

Does this work offline? Yes. After the first load caches the lightweight libraries, the converter can run without an internet connection, making it ideal for travel or studio workstations.
Can I keep the original resolution? Absolutely—toggle optimization to “Keep original dimensions” and the EPUB will embed untouched pages.
Why EPUB instead of MOBI? Amazon now prioritizes EPUB uploads and automatically converts them to KFX for Kindle hardware, providing better panel fidelity than legacy MOBI files.
How large can my comics be? Most users achieve smooth results under 500 pages; if your archive is larger, split it and combine the EPUBs inside Kindle Create for best performance.

Read Also