EPUB to PDF API

Turn an EPUB into a PDF for printing or reading on devices without an ebook reader. calibre lays the reflowable book out onto fixed pages.

How it converts

calibre converts EPUB to PDF.

  • Chapters, images and the book’s own styles are kept, laid out onto fixed pages.
  • Books protected by DRM are refused before any work, and are not billed.

Questions

Can it convert DRM-protected ebooks?
No. Books with DRM are refused before any work starts, and a refused file is not billed.
Does an EPUB to PDF conversion cost more than other pairs?
No. Every pair costs one conversion, and failed conversions are never billed.

Plans and limits

Price
5 free conversions every month. Pro is $9 a month for 1,500, Scale $39 for 10,000. EPUB to PDF costs the same as any other pair.
Largest file
25 MB on Free, 100 MB on Pro, 250 MB on Scale.
Failed conversions
Never billed, and they don’t count toward your plan.
Your files
Deleted within 24 hours, along with the converted result.
How to call it
The REST API, described by an OpenAPI spec, or the MCP server from Claude or any other MCP client. Both use the same API key and quota.