💼 productive forces

audiblez

Tool to convert e-books to audiobooks.

#Open source
#productivity tools
#speech synthesis
#e-book
#audiobook
audiblez

Product Details

Audiblez is a tool that uses Kokoro's high-quality speech synthesis technology to convert ordinary e-books (.epub format) into .m4b format audiobooks. It supports multiple languages ​​and sounds, and users can complete the conversion through simple command line operations, which greatly enriches the e-book reading experience and is especially suitable for use in inconvenient reading scenarios such as driving and sports. This tool was developed by Claudio Santini in 2025 and is free and open source under the MIT license.

Main Features

1
Supports converting .epub format e-books to .m4b format audio books
2
Using Kokoro v0.19 text-to-speech model, the output is natural and smooth
3
Supports multiple languages ​​such as American English, British English, French, Korean, Japanese and Mandarin
4
Adjustable audio generation speed, ranging from 0.5 to 2.0 times
5
Provides a variety of sound options, such as af_sky, am_adam, etc.
6
The resulting audiobook can be played via VLC or other audiobook players

How to Use

1
1. Make sure your computer has Python 3 installed (Python 3.13 is not supported)
2
2. Install audiblez through pip: pip install audiblez
3
3. Download additional files: wget https://github.com/thewh1teagle/kokoro-onnx/releases/download/model-files/kokoro-v0_19.onnx and wget https://github.com/thewh1teagle/kokoro-onnx/releases/download/model-files/voices.json
4
4. Place the .epub file to be converted in the specified folder
5
5. Open the command line and enter the command: audiblez book.epub -l language code -v sound code, for example audiblez book.epub -l en-gb -v af_sky
6
6. Wait for the conversion to complete. The generated .m4b file can be played through players such as VLC.

Target Users

The target audience includes e-book lovers, commuters, sports enthusiasts, and people with poor vision. For those who want to enjoy book content in situations where they cannot read, audiblez provides a convenient solution that allows them to obtain knowledge and entertainment through listening anytime, anywhere.

Examples

User A used audiblez to convert an English e-book into an audiobook while commuting, and used his spare time to listen to a professional book, which improved his level of self-knowledge.

User B is a sports enthusiast who uses audiblez to convert his favorite novels into audio books and listen to them while running, which enriches the entertainment experience during exercise.

User C, who has poor eyesight, used audiblez to convert e-books into audio books, regained the pleasure of reading, and was able to enjoy literary works independently.

Quick Access

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Categories

💼 productive forces
› Development and Tools
› Text to sound

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