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Remove all Dexie/IndexedDB code and dependencies, including document and preview caches, local config, onboarding, and migration logic. Replace with server-backed React Query hooks for documents, folders, preferences, onboarding, and progress. Add browser Cache Storage for blob caching of documents, previews, and audio. Update API routes, database schema, and tests to support folder management, onboarding state, and server-side persistence of all user data. Refactor UI and hooks to use server state exclusively, ensuring all user state is synced and portable across devices. BREAKING CHANGE: All user data, preferences, onboarding, and document state are now stored and synced on the server; browser IndexedDB is no longer used. Existing local-only data will not be available after this update. |
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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 multilingual, synchronized read-along playback.
Previously named OpenReader-WebUI.
Get started in the docs.
✨ Highlights
- 🧱 Layout-aware PDF parsing with PP-DocLayoutV3 (ONNX) — structured block detection, cross-page stitching, and geometry-based highlighting for precise read-along sync.
- ⏱️ Word-by-word highlighting via ONNX Whisper alignment through the compute worker control plane (NATS JetStream-backed).
- ⚡ Segment-based read-along for EPUB, PDF, TXT, MD, and DOCX — sentence-aware TTS with cached audio segments, background preloading, and resumable playback.
- 🎯 Multi-provider TTS — self-hosted OpenAI-compatible servers (Kokoro-FastAPI, KittenTTS-FastAPI, Orpheus-FastAPI) or cloud APIs (OpenAI, Replicate, DeepInfra).
- 🌐 Multilingual support — choose a document language for language-aware narration and highlighting. Available languages depend on the configured TTS provider and voice.
- 🎧 Audiobook export in
m4b/mp3with resumable chapter processing. - 🗂️ Flexible backend — embedded SeaweedFS or S3-compatible storage, SQLite or Postgres, server library import, and device sync.
- 🐳 Self-host friendly — Docker (amd64/arm64), built-in auth/session support, and automatic startup migrations.
🚀 Start Here
| Goal | Link |
|---|---|
| Run with Docker | Docker Quick Start |
| Deploy on Vercel | Vercel Deployment |
| Deploy external compute worker | Compute Worker (NATS JetStream) |
| 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.