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Remove temporary working directory usage and in-place file writes from preview generation, simplifying logic for both PDF and EPUB previews. Change default preview image variant from 480px to 400px width, updating related constants and cache schema version to maintain consistency across client and server code. |
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📄🔊 OpenReader
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.
✨ Highlights
- 🎯 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 (OPENREADER_COMPUTE_MODE=local+WHISPER_CPP_BIN). - 🧱 Layout-aware PDF parsing (PP-DocLayoutV3 ONNX) with structured blocks for cleaner TTS/chaptering.
- 🛜 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.
🚀 Start Here
| 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 |
🧭 Community
- Questions and ideas: GitHub Discussions
- Bug reports: GitHub Issues
- Contributions: open a pull request
📜 License
MIT. See LICENSE.