电子书转换
EPUB / MOBI / AZW3 / PDF / TXT 互转，免费开源 Calibre 安装与命令教程
📢 Ebook format conversion requires local software (Calibre, free open source): Ebooks contain formatting, table of contents, and metadata, desktop software provides best conversion quality. Download: calibre-ebook.com or
winget install calibre.calibre / brew install --cask calibreGraphical interface (recommended)
| 1 | Open Calibre, drag ebook into library |
| 2 | Select book → Click 'Convert books' in toolbar |
| 3 | Top right output format select target format → OK |
| 4 | After conversion, right-click → Open containing folder |
Command line (calibre terminal version)
Navigate to folder containing the book in terminal and execute; For EPUB to PDF, adding page width parameter is recommended:
--paper-size a4 --pdf-page-margin-left 24Common scenarios quick reference
| Kindle reading self-made books | EPUB → MOBI / AZW3 (newer Kindle directly supports EPUB) |
| Phone/computer reading | MOBI / AZW3 → EPUB |
| Printing or annotation | EPUB → PDF |
| Extract plain text | Any → TXT |
关于此工具
文件格式工具覆盖编码转换与乱码修复、字幕时间轴调整、Office / 电子书转换指引以及常用格式速查表，能在浏览器完成的操作全部本地执行。