Abogen
lastmod 2025-08-11created 2025-08-111 edits
Generate audiobooks from EPUBs, PDFs and text with synchronized captions.
Generate audiobooks from EPUB, PDF, and text
About
- Abogen is an open-source tool that easily converts ePub, PDF, and text files into high-quality audiobooks
- During conversion, subtitles synchronized with the speech are also generated automatically
- Provides a range of features such as custom voice mixing, encoding formats, chapter splitting, and batch processing (queue mode)
- Uses the latest Kokoro-82M speech synthesis engine for natural TTS quality and multilingual support
- Compared with other projects, its advantages are an intuitive GUI, per-project folder management, and automatic metadata handling
Abogen overview and significance
- Abogen is an open-source text-to-speech (TTS) tool that quickly converts text files (ePub, PDF, .txt, etc.) into natural-sounding audiobooks
- Provides rich features such as an intuitive interface, batch processing of multiple files, custom voice mixing, various output formats, chapter management, and metadata support
- Unlike other open-source projects, high-quality audio (especially Kokoro-82M-based TTS) and subtitles can be obtained easily with simple operation
- The initial installation and complex Python environment setup are automated, so even beginner developers can use it easily
- In particular, per-project chapter and metadata handling, the GUI, and custom voice features are regarded as competitive advantages in the industry
Key features summary
- Converts ePub, PDF, and text files into audio within seconds via text-to-speech (TTS)
- Automatically generates synchronized subtitles, with audio and subtitles matching perfectly
- Mix multiple voice models with the voice mixer to create your own voice profile
- Queue mode supports batch processing of multiple files while keeping individual settings per file
- Automatic chapter marker/metadata generation, project folder management
- Various output formats: supports WAV, FLAC, MP3, OPUS, M4B, etc.; subtitles can also be SRT/ASS, etc.
- Major languages supported: American/British English, Spanish, French, Hindi, Italian, Japanese, Portuguese, Chinese, etc.
- High-quality, natural pronunciation based on the Kokoro-82M TTS engine
- Supports both GUI and command line, can be used in a Docker container