Epublys — EPUB & PDF Tools

Epublys is an offline toolkit and reader for EPUB and PDF files. Every conversion runs on your phone: your files are never uploaded, and an account is optional.

TOOLS
• EPUB to PDF: choose page size, margins, font and size
• PDF to EPUB: with image extraction
• Merge: combine several EPUBs into one, with a table of contents
• Split: break an EPUB into per-chapter files, or cut one chapter range into a single book
• Compress: shrink an EPUB, optionally dropping unused assets
• Validate: check an EPUB's structure and report what is wrong
• Edit metadata: title, author, language, publisher, series, subjects, cover

Everything a tool produces lands in your library, named after the book it came from.

READER
Built-in reader for EPUB and PDF. Pages or scrolling, light or dark, your choice of font, size, line height and text width, and a one-tap large-text mode. Tap the edge of a page to turn it. Highlight passages in EPUBs, add notes, and export them as Markdown. It remembers where you stopped.

LIBRARY
Import books from your device, search and sort them, and back the whole library up to a file you keep.

PREMIUM
Epublys Premium is a one-time purchase on Google Play. Now and then, after a conversion or after opening a book, a Premium offer appears; dismiss it and keep working. Premium removes that offer for good, lets a merge take more files and drops the Epublys line from your output. There is no subscription in the app and there are no ads. A Pro sign-in from epublys.com unlocks the app the same way. A Play receipt successfully linked while signed in also unlocks account Premium on other devices and the web.

OFFLINE AND PRIVATE
An account is optional. No file upload. No ads. Your files never leave the device, which also means the tools work with no connection at all. Signing in sends your email address. When the signed-in account has current server-backed Premium, from Pro or a successfully linked Play purchase, Sync also sends the title and author of the books you open, your reading position, and your highlights and notes, so they follow you between devices. A device-only Premium unlock does not enable Sync. Buying or restoring Premium while signed in sends the purchase receipt so it can be tied to your account. If the app crashes, an anonymous report can be sent; you can turn that off in Settings.
Sign in with your Epublys account to use account Premium from epublys.com or a linked Play purchase.

Questions or requests: hello@epublys.com