Webtoon to EPUB Converter
Get vertical-scroll manhwa chapters you own onto a paginated e-ink screen.
Free, 3 conversions a day without an account. CBZ, ZIP or image files up to 200 MB. Pages come out at 1072 x 1448 and turn right to left.
If a conversion goes wrong, tell us on Discord.
Webtoons and manhwa are drawn for an endless vertical scroll, while Kindles and other e-readers show one page at a time. The bridge between the two is a fixed-layout EPUB where each image becomes one screen-sized page. Many webtoon archives are already stored that way, as a CBZ or ZIP of the chapter cut into page-height segments, and those convert cleanly with the tool below: upload the archive, download the EPUB, and send it to your Kindle.
One caveat: this free tool turns each image into exactly one page. If your chapter is saved as a single continuous strip thousands of pixels tall, that strip gets scaled to fit one screen and becomes unreadable. Split it into screen-height segments first (or get a release that's already segmented) before converting. The free tool's EPUB is grayscale, made for black-and-white e-ink, which suits standard Kindles. For a color device, a MangaSendr account set to the Kindle Colorsoft keeps the color.
With a free account, pages are sized for your Kindle model and sent straight to it. You don't need a card, and there's nothing to install.
Questions
Can I convert a single tall webtoon strip?
You can upload it, but each image becomes exactly one EPUB page, so a strip thousands of pixels tall gets scaled down to fit one screen and turns unreadable. Split the strip into screen-height segments first, or use an archive where the chapter is already cut into page-sized images.
Do webtoons work on black-and-white Kindles?
Yes. The free tool converts pages to grayscale for e-ink, which reads well on a Paperwhite or any monochrome Kindle. Color art comes out in shades of gray. For color on a device like the Kindle Colorsoft, a MangaSendr account with the Colorsoft preset keeps the color.
What file should I upload?
A CBZ or ZIP of the chapter's images (JPG, PNG, or WebP), or a single image file, up to 200 MB. Pages go in file-name order, with numbers read as numbers, so 2 comes before 10.