Your personal EPUB library
Manage your ebook collection, sync reading progress across all your devices, and read offline anywhere — on a server you control.
Runs on your own server. No accounts on ours, no tracking, no subscription.
EPUB library
Upload and organize your EPUB collection with automatic metadata extraction and cover images.
Multi-device sync
Sync reading progress with Moon+ Reader and KOReader across all your devices.
Offline reading
Install it as an app (PWA) and read your books offline with cached content.
OPDS support
Access your library from any OPDS-compatible reader app.
No subscriptions. No tracking. Just your books.
Varbook is free and open source under the MIT license. Run it on your own server, keep full control of your data, and read however you like.