https://github.com/sergiye/fb2kindle

Portable converter of fb2 books to Amazon Kindle formats (mobi and epub)
https://github.com/sergiye/fb2kindle

epub epub-converter epub-generation epub-generator fb2 fb2converter kindle kindle-books kindlegen

Last synced: 9 days ago
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Portable converter of fb2 books to Amazon Kindle formats (mobi and epub)

• Host: GitHub
• URL: https://github.com/sergiye/fb2kindle
• Owner: sergiye
• Created: 2023-06-04T13:41:13.000Z (about 3 years ago)
• Default Branch: master
• Last Pushed: 2026-05-16T08:09:44.000Z (about 1 month ago)
• Last Synced: 2026-05-16T10:18:57.305Z (about 1 month ago)
• Topics: epub, epub-converter, epub-generation, epub-generator, fb2, fb2converter, kindle, kindle-books, kindlegen
• Language: C#
• Homepage:
• Size: 2.47 MB
• Stars: 24
• Watchers: 2
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: readme.md
  • Funding: .github/FUNDING.yml

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README

          
# Fb2Kindle

[![Release](https://img.shields.io/github/v/release/fb2kindle/fb2kindle)](https://github.com/fb2kindle/fb2kindle/releases/latest)

[![Downloads](https://img.shields.io/github/downloads/fb2kindle/fb2kindle/total?color=ff4f42)](https://sergiye.github.io/github-release-stats/?username=fb2kindle&repository=fb2kindle&page=1&per_page=100)

![Last commit](https://img.shields.io/github/last-commit/fb2kindle/fb2kindle?color=00AD00)

*Fb2Kindle is a portable, open-source fb2 books converter into Amazon Kindle formats (mobi & epub).*

----

## What does it look like?

Here's a preview of the app's explorer integration (context menu) on Windows 10:

[](https://github.com/fb2kindle/fb2kindle/raw/master/preview.png)

## Download Latest Version

Fb2Kindle provides an easy to use solution to convert, format with customizable css, combine multiple files into one and send your e-books to the Amazon Kindle devices.

The latest stable version can be downloaded from the [releases](https://github.com/fb2kindle/fb2kindle/releases) page, or get the newer one directly from:

[Latest Version](https://github.com/fb2kindle/fb2kindle/releases/latest)

Features include:

  * Support for `.fb2` files as input and `.mobi`/`.epub` files as output

  * Joining several `.fb2` books from folder to one output file (for book series)

  * Send generated book to email (see arguments)

  * Multiple commandline arguments for customizing behavior

# Build

**The recommended way to get the program is BUILD from source**

- Install git, Visual Studio (2022 or higher)

- `git clone https://github.com/fb2kindle/fb2kindle.git`

- build

----

### How To Use

To use:

  * Download the latest version from releases

  * There is no installation required, just start executable file from anywhere on your computer

  * Drag and drop any `.fb2` file to an app icon in file explorer to convert single file (with default options)

### Start and possible command-line arguments

  Fb2Kindle.exe [options]

  - ``: input `.fb2` file path or files mask (ex: `*.fb2`) or path to `.fb2` files

  - `-epub`: create file in epub format

  - `-css` : styles used in destination book (example can be found here: [Fb2Kindle/Fb2Kindle.css](https://github.com/fb2kindle/fb2kindle/raw/master/Fb2Kindle/Fb2Kindle.css))

  - `-a`: process all `.fb2` books in app folder

  - `-r`: process files in subfolders (work with -a key)

  - `-j`: join files from each folder to the single book

  - `-o`: hide detailed output

  - `-w`: wait for key press on finish

  - `-mailto`: send document to email (kindle send-by-email delivery, see `-save` option to configure SMTP server)

  - `-save`: save parameters (listed below) to be used at the next start (`Fb2Kindle.json` file)

  - `-register`: add explorer integration (context menu)

  - `-unregister`: remove explorer integration

  - `-d`: delete source file after successful conversion

  - `-u` or `-update`: update application to the latest version. You can combine it with the `-save` option to enable auto-update on every run

  - `-s`: add sequence and number to the document title

  - `-c` (same as `-c1`) or `-c2`: use compression (slow)

  - `-optimizeSource`: optimize images in source file (decrease to 824x1200 by default)

  - `-optimize`: optimize images in target (decrease to 824x1200 by default)

  - `-ni`: no images

  - `-dc`: DropCaps mode

  - `-g`: grayscale images

  - `-jpeg`: save images in jpeg

  - `-ntoc`: no table of content

  - `-nch`: no chapters

### Examples:

    Fb2Kindle.exe somebook.fb2 -epub

    Fb2Kindle.exe "c:\booksFolder\*.fb2"

    Fb2Kindle.exe -a -r -j -d -w

    Fb2Kindle.exe "c:\bookSeries\*.fb2" -j -epub -mailto user@kindle.com -update -save

also you can check cmd script examples in archive here [other/scripts.7z](https://github.com/fb2kindle/fb2kindle/raw/master/other/scripts.7z)

----

## How can I help improve it?

The fb2kindle team welcomes feedback and contributions!


You can check if it works properly on your PC. If you notice any inaccuracies, please send us a pull request. If you have any suggestions or improvements, don't hesitate to create an issue.

Also, don't forget to ★ star ★ the repository to help other people find it.

[![Stargazers](https://reporoster.com/stars/fb2kindle/fb2kindle)](https://star-history.com/#fb2kindle/fb2kindle&Date)

## Donate!

Every [cup of coffee](https://patreon.com/SergiyE) you donate will help this app become better and let me know that this project is in demand.

## License

This program is free software: you can redistribute it.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.