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Richard R 37a90b734d feat(pdf): migrate to PP-DocLayoutV3 ONNX model and update PDF block taxonomy 
Switch PDF layout parsing to use the PP-DocLayoutV3 ONNX model, replacing the previous Docling-based approach. Update all environment variables, model fetching, and manifest handling for the new model and its artifacts. Refactor block kind taxonomy throughout the codebase, tests, and UI to align with PP-DocLayoutV3 labels, including expanded and renamed block types. Revise document settings, block filtering, and stitching logic to support the new set of block kinds. Update documentation and environment variable references to reflect the model transition.

BREAKING CHANGE: PDF parsing now requires PP-DocLayoutV3 ONNX model and updated environment variables; block kind names and settings have changed throughout the system.
2026-05-18 04:26:39 -06:00

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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.cpp timestamps (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/mp3 with 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

📜 License

MIT. See LICENSE.