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OpenReader is an open source, self-host-friendly text-to-speech document reader built with Next.js for EPUB, PDF, TXT, MD, and DOCX with synchronized read-along playback.
Previously named OpenReader-WebUI.
Get started in the docs .
- π― Multi-provider TTS with OpenAI-compatible endpoints (OpenAI, DeepInfra, Kokoro, KittenTTS-FastAPI, Orpheus, custom).
- π Read-along playback for PDF/EPUB with sentence-aware narration.
- β±οΈ Word-by-word highlighting via optional
whisper.cpptimestamps. - π Sync + library import to bring docs across devices and from server-mounted folders.
- ποΈ Flexible storage with embedded SeaweedFS or external S3-compatible backends.
- π§ Audiobook export in
m4b/mp3with resumable chapter processing. - π³ Self-host friendly with Docker, optional auth, and automatic startup migrations.
| Goal | Link |
|---|---|
| Run with Docker | Docker Quick Start |
| Deploy on Vercel | Vercel Deployment |
| Develop locally | Local Development |
| Configure auth | Auth |
| Configure SQL database | Database and Migrations |
| Configure object storage | Object / Blob Storage |
| Configure TTS providers | TTS Providers |
| Run Kokoro locally | Kokoro-FastAPI |
| Run KittenTTS locally | KittenTTS-FastAPI |
| Get support or contribute | Support and Contributing |
- Questions and ideas: GitHub Discussions
- Bug reports: GitHub Issues
- Contributions: open a pull request
MIT. See LICENSE.