r/ePub

▲ 37 r/ePub+2 crossposts

I built a self-hosted EPUB library with cross-device reading position sync

After years of reading on multiple devices (Kobo, Linux laptop, phone) and struggling to keep my reading position in sync, I decided to build my own solution.

VarBook is a self-hosted web app that lets you:

  • Upload EPUBs (drag & drop or via a Calibre plugin for batch uploads)
  • Read in the browser with a built-in epub.js reader (PWA, works offline)
  • Serve your library via OPDS to any compatible reading app
  • Sync reading positions between the web reader and KOReader on Kobo e-readers

The trickiest part was syncing positions between epub.js (which uses CFI, an XPath-like pointer into the HTML DOM) and KOReader (which uses its own page-based engine with xpointers). I ended up using chapter + percentage within chapter as a common ground. Not pixel-perfect, but way better than tapping "next page" 70 times to catch up.

The app also tracks reading stats (time, sessions, progress) and supports multiple users.

Open source, trilingual (EN/FR/ES), feedback welcome!

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u/ConfidentBunch7563 — 5 days ago
▲ 1 r/ePub+1 crossposts

Can't use browser sideloading

Okay, so i see a lot of videos to sideload your ebooks via A webbrowser to your Kobo, but it doesn't work for me.

I own a Kobo Clara BW that i love, but sometime i just don't have the option to use a PC to sideload directly. Now since i searched once how to side load without cable i have found 2 nifty sites:

Send.djazz.se (currently bad gateway prompt)

Send2reader.net (did work to open on Kobo)

My problem is that i get an error message when visiting the site: Script error.. reference error and cant locate Map. I found out its a JavaScript error.. does that mean i need additional software?

u/Skyefar95 — 7 days ago
▲ 4 r/ePub+1 crossposts

Does anyone know software for creating Japanese-style right-to-left books/pages?

I am currently learning Japanese and make manga books in Japanese while also trying to create a book in a Japanese-style format with right-to-left page order.

I have been struggling to find software that can properly create pages that read from right to left like real Japanese books. I also want the page layout to work correctly for Japanese-style formatting. Because I am making a two book about Japanese & American map in JSL, and also a Japanese and American culture book in Japanese. However, My project, SignDict: Culture, is also manga-style. Because of this, I need to learn how to create proper Japanese right-to-left page layouts in software.

I already tried Apple Pages and Microsoft Word, but...

> they only support right-to-left text, not the actual page layout order. The pages still work like Western-style books, which is not what I want.

I want to create real Japanese-style pages on the books, so this has made my research much more difficult.

Does anyone know software that can create Japanese-style right-to-left books/pages properly?

reddit.com
u/SignDic — 7 days ago