Convert CBR to EPUB in Seconds
Drag and drop your comic book archives to convert them into polished EPUB ebooks. Preserve panel quality, tweak metadata, export reading order CSV, and get a clean, mobile-ready reader file instantly.
1. Import Your CBR
Drop a .cbr file or tap to browse. We process everything client-side for maximum privacy.
Max 1 file · Recommended < 400MB for smooth in-browser conversion
2. Metadata & Reader Experience
Unique booster: Our Smart Reading Order Analyzer flags aspect ratio shifts, generates a CSV storyboard, and lets you designate any page as the EPUB cover before exporting.
3. Page Flow & Quality Insights
About This CBR to EPUB Converter
Our CBR to EPUB converter was engineered for comic collectors, librarians, and digital publishers who need rapid, lossless conversions without exposing their archives to third-party servers. The tool ingests your CBR file entirely within the browser, extracts page imagery, and builds a standards-compliant EPUB 3 package with accurate metadata. Because everything runs on-device, sensitive storylines, exclusive art, and unreleased variants stay private while you enjoy instant turnaround. Light code, caching for offline sessions, and asset preloading keep Largest Contentful Paint below 2.5 seconds on modern devices, helping you ship faster than competing web apps weighed down by frameworks.
How to Use the Tool
Start by dropping a CBR file onto the upload panel or tap to browse. The Smart Analyzer previews every page, auto-sorts them in reading order, and highlights resolution shifts so you can catch scanning issues before export. Set the title, creator names, and language in the metadata panel, then choose a cover with a single click. When you press “Convert to EPUB,” the app assembles a clean EPUB 3 bundle containing a navigation document, a polished cover page, and each panel embedded as responsive XHTML. The generated file downloads instantly—no waiting room, email capture, or bandwidth throttling.
Tips for Perfect EPUB Conversions
For best results, scan artwork at a consistent DPI so our Aspect Drift meter stays below 5%, ensuring tablets and phones display pages without awkward borders. If you plan to publish, fill in the series, publisher, and description fields for richer search snippets on storefronts. The Export Reading Order CSV button gives editors a storyboard they can annotate or share with producers. Use the Offline Ready switch before traveling; it caches the extraction engine and lets you convert on flights or behind firewalls without missing a beat.
FAQs
Does the converter work offline? Yes. Tap “Make Tool Offline-Ready” once while online to cache the extraction engine and run future conversions without a connection. Can I convert large archives? Most browsers comfortably handle CBR files up to about 400 MB. If yours is larger, split the volume and convert in parts to keep memory usage healthy. What formats are supported inside the CBR? JPG, PNG, and WebP images are fully supported. Other assets are ignored so your EPUB stays lightweight. Will my images be recompressed? Never. We store each page losslessly inside the EPUB so your art looks exactly as intended.
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