RAR to EPUB
The usual RAR to EPUB journey goes like this: download WinRAR (or dodge the ads on a site pretending to be WinRAR), extract a folder of images, then discover that a folder of images is not something an e-reader will open, and go looking for a second tool. All of that to handle a file that the comic world already has a name for: a RAR of scanned pages is a CBR with a different extension.
This converter collapses the whole chain into one step. The RAR is unpacked directly in your browser, no archiver installed and nothing uploaded just to extract, and the pages come out the other side as a finished EPUB: correct reading order, resized for the e-reader you pick, previewed live before you convert.
RAR to EPUB
Free, no WinRAR, unpacked in your browser
How it works
Drop the RAR straight in
RAR, CBR and even 7Z archives are unpacked in the browser, so proprietary compression never becomes your problem. Up to 20 files, 1GB each, up to 1000 pages per file.
Choose where you will read it
Pick your Kindle, Kobo or reMarkable model and every page is rebuilt for that screen (a Kobo Libra 2 is 1264 x 1680, a reMarkable 2 is 1404 x 1872), or keep a generic EPUB.
Check pages in the live preview
Scanned comics vary wildly in quality, so the preview matters: inspect contrast, margins and spread handling on real converted pages before downloading anything.
Download the EPUB
Send it to a Kindle via Send to Kindle (EPUB is accepted, files up to about 50MB), copy it over USB with no size limit, or load it on any EPUB reader. Outputs auto-delete after 24 hours.
Why RAR is uniquely annoying for comics
RAR compression is proprietary, so unlike ZIP it does not open natively on most systems: hence the WinRAR ritual. Scan groups historically favored RAR anyway, which is why so many comics arrive as CBR or plain RAR. Unpacking in the browser sidesteps the whole licensing and install mess.
Extraction is not conversion
Even after extracting, a folder of 300 print-resolution scans is unreadable on a 6 inch e-ink screen: giant page dimensions, tiny lettering, washed-out greys. Building the EPUB means resizing each page to the target display and fixing contrast, which is the work that actually makes the comic readable.
Frequently asked questions
Do I need WinRAR or 7-Zip installed?
No. The whole point of this page is that you do not: the RAR is unpacked inside your browser as part of the conversion, so there is no archiver to install and no extract step at all.
Is a RAR of comic pages the same thing as a CBR?
Byte for byte, yes. CBR just means "comic book RAR". The extension exists so reader apps recognize the file; the converter treats both identically, so no renaming is needed either way.
The RAR came from a scan group with odd file names. Will page order survive?
Pages are read in the archive order rather than naively re-sorted, which avoids the classic 1, 10, 11, 2 shuffle that plain filename sorting produces on scanned sets.
What happens to my files after converting?
Finished outputs stay downloadable for 24 hours and then auto-delete. The engine itself is open-source KCC, available as kcc-cloud on GitHub if you want to self-host instead.
Conversion runs on Kindle Comic Converter (KCC), the open-source engine trusted by comic readers for a decade, hosted here with browser-side unpacking and a live preview, nothing to install.