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.
- 🎯 Multi-provider TTS with OpenAI-compatible endpoints and cloud providers (Kokoro-FastAPI, KittenTTS-FastAPI, Orpheus-FastAPI or OpenAI, Replicate, DeepInfra).
- 📖 Read-along playback for PDF/EPUB with sentence-aware narration.
- ⏱️ Word-by-word highlighting via optional
whisper.cpptimestamps. - 🛜 Sync + library import to bring docs across devices and from server-mounted folders.
- 🗂️ Flexible storage with embedded SeaweedFS or external S3-compatible backends.
- 🎧 Audiobook export in
m4b/mp3with resumable chapter processing. - 🐳 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.