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PDF to EPUB Converter / CBZ to EPUB Converter

CBZ to EPUB Converter

Drop a .cbz (or a zip of page images) and get an EPUB with one image per page, in the right order, sized for your e-reader. Manga can be set to read right to left.

What the converter does

  1. Choose the CBZ file. A plain .zip of page images works too.
  2. Pick the reader preset. Pages are scaled to fit that screen and are never enlarged.
  3. Set reading direction and spreads. Choose right to left for manga and split double-page spreads if you want them one page at a time.
  4. Convert and download. Copy the EPUB to your reader.

Pages are sorted in natural order, so page_2 comes before page_10. Junk files from archive tools are ignored. If the archive has a ComicInfo.xml, its title, writer, language and manga flag are used. Each page is scaled to fit inside the preset’s screen size, converted to greyscale if the preset says so, and saved as JPEG (or PNG for flat artwork). A JPEG that already fits and needs no greyscale is copied untouched.

Fixed layout or one image per page

Fixed layout (the default) tells the reader the page is a picture of a fixed size, so it shows each page whole. It is the right choice on Kobo and in most apps. One image per page is an ordinary reflowable book where each page holds one picture that is scaled to fit the screen; use it if your reader ignores fixed layout.

Right to left and double-page spreads

Manga is read from the right. Setting right to left sets the book’s page direction, so swipes and page numbers go the right way, and when a spread is split the right half comes first. The setting is picked up from ComicInfo.xml when it is there, and you can override it.

CBR and other archives

CBR files are RAR archives and CB7 files are 7-zip archives. Browsers cannot open them without a bigger decoder, so those are not supported in the browser yet; the page says so. Re-save such a file as CBZ with a comic tool and convert that.

Questions people ask

How do I read a CBZ manga on a Kobo?
Convert the CBZ here with right to left on, choose the preset for your Kobo’s screen size, and copy the EPUB to the reader over USB. Kobo shows fixed-layout EPUB pages one at a time.
Does it support CBR files?
Not yet. CBR is a RAR archive, which the browser cannot open without a decoder this site does not include. Re-save the file as CBZ and convert it.
Why are the pages in the wrong order?
Pages are sorted by file name with numbers compared as numbers. If your file names do not carry the order, rename the pages in the archive first.
How big will the EPUB be?
Roughly the total size of the page images. Smaller presets and greyscale reduce it a lot. Use Compress EPUB afterwards to go further.
What are double-page spreads?
Two pages drawn as one wide image. On a portrait e-reader they are tiny; the split option cuts them into two pages in the correct order.