ebook-convert

ebook format converter

TLDR

Convert EPUB to MOBI

$ ebook-convert [book.epub] [book.mobi]

Convert PDF to EPUB

$ ebook-convert [book.pdf] [book.epub]

Set output profile

$ ebook-convert [input.epub] [output.mobi] --output-profile [kindle]

Convert with custom cover

$ ebook-convert [book.epub] [book.mobi] --cover [cover.jpg]

Set metadata

$ ebook-convert [book.epub] [book.mobi] --authors "[Author Name]" --title "[Book Title]"

Convert HTML to EPUB

$ ebook-convert [book.html] [book.epub]

SYNOPSIS

ebook-convert input output [options]

ebook-convert is Calibre's command-line tool for converting between ebook formats. It supports a wide range of formats including EPUB, MOBI, PDF, AZW3, HTML, and many others.
The tool handles format-specific optimizations and allows customization of output including fonts, margins, covers, and metadata.

PARAMETERS

--output-profile profile

Device profile (kindle, ipad, etc.).

--cover file

Use custom cover image.

--authors names

Set author metadata.

--title title

Set book title.

--base-font-size size

Base font size in points.

--embed-all-fonts

Embed all fonts.

--change-justification type

Text justification.

--margin-top/bottom/left/right pts

Set margins.

--list-recipes

List news recipes.

--input-encoding enc

Input file encoding.

CAVEATS

PDF conversion may lose formatting. Complex layouts may not convert well. Some formats have limited feature support. Large files can be slow.

HISTORY

ebook-convert is part of Calibre, created by Kovid Goyal starting in 2006. Originally focused on Sony Reader devices, Calibre grew into a comprehensive ebook management system supporting dozens of formats and devices.