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Upload the book source.

Attach the manuscript itself — EPUB, PDF, DOCX or Markdown. Icon files, logos, screenshots and stub documents are rejected before parsing, so only a real text source gets through. Accepted books are saved to the cloud library, so you can reopen the reader later without uploading again.

Browse saved books

Drop the book file here

Accepted: .epub, .pdf, .docx, .md, .markdown, .txt · 20 KB–40 MB

Detected file

Nothing attached yet. Once you choose a file its exact detected type — and the reason for any rejection — appears here.

What to upload

  • A book formatEPUB, PDF, DOCX, Markdown (.md / .markdown) or plain text (.txt).
  • The file, not its iconSVG, PNG and JPEG artwork is rejected even when renamed to .pdf.
  • Between 20 KB and 40 MBAnything smaller is a thumbnail or stub; anything larger won't parse in the browser.
  • Real prose insideMarkdown and text sources need at least 2,000 characters to build chapters.