The Chatterbox project provides an open-source text-to-speech system for speech generation.
Audiblez
Audiblez creates audiobook files from EPUB e-books and offers a graphical interface.

About Audiblez
Audiblez is an open-source tool that generates .m4b audiobook files from EPUB e-books using Kokoro-82M text-to-speech synthesis. It offers both a command-line interface and a graphical user interface for users to operate the tool. The tool supports 9 languages, including American English, British English, Spanish, French, Hindi, Italian, Japanese, Brazilian Portuguese, and Mandarin Chinese, with multiple voice options per language. It can run on CPU or CUDA-enabled GPUs for faster processing, though Apple Silicon GPU support is not currently available, and ffmpeg must be installed to produce the final .m4b output.
Key features
- Converts EPUB e-books to .m4b audiobook files
- Uses Kokoro-82M text-to-speech for natural audio output
- Provides both command-line and graphical user interfaces
- Supports 9 languages with multiple voice options per language
- Runs on CPU or CUDA-enabled GPUs for faster processing
- Allows interactive selection of chapters to convert
- Open-source codebase available for modification and auditing
- Supports 9 languages with dozens of voice options
- CUDA GPU support reduces conversion time significantly
- No current support for Apple Silicon GPU acceleration
- Requires separate installation of ffmpeg and espeak-ng dependencies
- CPU-only conversion is significantly slower than CUDA GPU processing
Audiblez at a glance
- Website
- github.com/santinic/audiblez
- Category
- AI & Machine Learning › AI Voice & Audio
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Audiblez alternatives
Tools and sites you could use instead, ranked by how closely they match.
MMAudio synthesizes audio from video and text through a multimodal joint-training approach presented at CVPR 2025.
The KittenTTS project offers a text-to-speech model described as under 25 MB in size.
EmotiVoice provides a multi-voice text-to-speech engine with prompt controls.
ESPnet includes tools for end to end speech processing and related speech tasks.
RVC WebUI is a framework for training voice conversion models with short voice recordings.
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Audiblez FAQ
What file formats does Audiblez support for input and output?
What dependencies are required to use Audiblez?
Can the playback speed of generated audiobooks be adjusted?
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