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Convert CBR to CBZ

Verified by Adam B.· reviewed by FE Editorial ·updated Jul 23, 2026
QUICK ANSWER
Is it possible to convert CBR to CBZ?
Yes - CBR converts to CBZ.

Upload your .cbr using the converter above and download the .cbz instantly - it is free and your file is deleted after converting. Alternatively, Calibre handles the same conversion in one click on any desktop OS. No image quality is lost; the page images are repackaged, not re-encoded.

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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Why convert CBR to CBZ?

CBR uses RAR, a proprietary format that requires WinRAR to create, while .CBZ uses ZIP - an open standard supported by every archiver and comic reader. Converting to CBZ makes your files easier to edit, share, and manage without software restrictions.

How to convert CBR to CBZ

Calibre FREE

Add the .cbr to the Calibre library, right-click it, choose Convert books, set the output format to CBZ, and click OK.

7-Zip + rename FREE

Right-click the .cbr in 7-Zip and extract to a folder, then select all image files, add them to a .zip archive, and rename it .cbz.

YACReader OPEN-SOURCE

Add the .cbr to your YACReader library, right-click the comic, and select the convert-to-CBZ option.

Command line - unrar + zip CLI

Extract and repack in one step: unrar e comic.cbr out/ && zip -j comic.cbz out/*

Programs that convert CBR

Comic book archive to EPUB converter

About these formats

.CBR Comic Book RAR Archive

A CBR file is a digital comic or manga - JPG/PNG page images packed in a RAR archive and renamed .cbr so a comic reader opens it as a paged book. To read it, use YACReader or CDisplayEx on…

Open .CBR details →
.CBZ Comic Book ZIP Archive

A CBZ file is a digital comic book: a ZIP archive holding the comic's pages as JPEG or PNG image files named in reading order. Open it with a free comic reader - YACReader on any desktop,…

Open .CBZ details →

Quality & what to watch

  • No quality loss - the page images (JPG or PNG) inside are not re-encoded; only the outer container changes.
  • Any ComicInfo.xml metadata present in the archive is preserved as long as it is included when repacking.
  • File size changes only slightly; ZIP and RAR compress already-compressed JPG images at similar ratios.

Frequently asked questions

Does converting CBR to CBZ change image quality?
No - the images are not re-encoded during the container swap. JPG stays JPG and PNG stays PNG at identical quality.
Why is CBZ preferred over CBR?
ZIP is an open format any tool can create, while making RAR files requires WinRAR. CBZ is universally supported by every comic reader and archiver.
Can I batch-convert many CBR files at once?
Yes - add all .cbr files to Calibre, select them all, and use Bulk convert with CBZ as the output format.
My CBR is password-protected - can I convert it?
You need the original password to extract the archive first; enter it when prompted by 7-Zip or WinRAR, then repack to .cbz normally.