LibreShelf — Universal eBook & Document Reader

Offline universal eBook reader for EPUB, MOBI, PDF, TXT, and Web URLs at books.czr.one.

Key Features

  • Universal Format Support: Seamlessly open and read EPUB, MOBI, PDF, and TXT files directly in your web browser.
  • Offline Privacy & IndexedDB Storage: All books and reading progress remain strictly in your browser without tracking or mandatory accounts.
  • Shareable URL Parameters: Open books instantly with direct links using ?url=https://example.com/book.epub.
  • Typography & Themes: Tailored reading themes including Sepia, Midnight, Paper, and OLED Dark with custom serif and sans-serif fonts.
  • Exporting: Download modified books in standard EPUB or single-file MHTML offline formats.

How to Use

Visit https://books.czr.one/ and drag and drop your book files, or append any public eBook link to the URL query string: https://books.czr.one/?url=<YOUR_BOOK_URL>.