Folio is a free, open-source, offline ebook and document reader for macOS Apple Silicon.

Read PDF, DjVu, EPUB, FB2, MOBI, PRC, XPS, OXPS, CBZ, TXT and image files in one native desktop application.

Folio includes continuous vertical scrolling, fast lazy page rendering, bookmarks, text search, zoom controls, fit-to-width and fit-to-height modes, print preview, reading-position history and optimized DjVu-to-PDF export.

Books stay on your Mac — no account, cloud upload or telemetry is required.

Source code, issues and development are hosted on GitHub:
https://github.com/danilfg/folio-macos-ebook-reader

Features

  • PDF, DjVu, EPUB, FB2, MOBI, XPS and CBZ support
  • Continuous vertical scrolling
  • Offline and private — no account or cloud upload
  • Fast lazy page rendering
  • Bookmarks and reading position
  • Text search
  • Fit width, fit height and custom zoom
  • Print preview
  • Optimized DjVu to PDF export
  • Native macOS Apple Silicon DMG

Project Activity

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Categories

eBook Readers

License

Affero GNU Public License

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Folio - macOS Ebook & Document Reader Web Site

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Additional Project Details

Operating Systems

Mac

Languages

English

Intended Audience

End Users/Desktop

User Interface

Qt

Programming Language

Python

Related Categories

Python eBook Readers

Registered

2026-09-17