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[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](#license)
[![Contributions Welcome](https://img.shields.io/badge/Contributions-Welcome-orange.svg)](../../pulls)
# OpenReader WebUI
OpenReader WebUI is a web-based PDF reader with integrated Text-to-Speech capabilities. It provides a clean interface for reading PDF documents while offering synchronized text-to-speech playback using OpenAI's TTS API.
OpenReader WebUI is a sleek, web-based PDF reader with built-in Text-to-Speech capabilities, offering a seamless reading experience with synchronized audio narration.
## Demo
https://github.com/user-attachments/assets/7a3457ba-feda-4939-928a-cb587b1c0884
## Features
- **PDF Document Management**
- Local document storage using IndexedDB
- PDF text extraction and rendering
- **Text-to-Speech Integration**
- Real-time text-to-speech using OpenAI's TTS API, Kokoro TTS API, or anything else that follows the OpenAI API format
- Synchronized text highlighting
- Configurable playback speed
- 🎯 **TTS API Integration**: Compatible with OpenAI API TTS and Kokoro FastAPI TTS, enabling high-quality voice narration
- 💾 **Local-First Architecture**: Secure document handling with IndexedDB browser storage - no server uploads required
- 🔍 **Smart Text Processing**: Real-time sentence detection and synchronized text highlighting during playback
- ⚡ **Modern Tech Stack**: Built with Next.js, React, and Tailwind CSS
- 🎨 **Customizable Experience**:
- Adjustable playback speed
- Multiple voice options
- Click-to-read functionality
- Dark/light/system theme support
- Persistent user settings
- 📱 **Cross-Platform**: Responsive design works seamlessly across desktop and mobile devices
- **User Interface**
- Light/Dark/System theme support
- Responsive design
- Configurable API settings
- Interactive PDF text selection
## **Demo**
## Tech Stack
- **Framework**: Next.js with React
- **Storage**: IndexedDB for document storage
- **PDF Processing**:
- react-pdf for rendering
- pdf.js for text extraction
- compromise for text analysis
- **UI Components**:
- Headless UI for modals and dropdowns
- Tailwind CSS for styling
- **TTS Integration**: OpenAI TTS API
https://github.com/user-attachments/assets/323251e6-3b3b-43cc-b139-cdab01ca7d75
## Installation
> You will need `node` and `npm` installed on your machine. If you don't have it, I recommend installing it using [nvm](https://github.com/nvm-sh/nvm).
### Prerequisites
- Node.js & npm (recommended: use [nvm](https://github.com/nvm-sh/nvm))
### Steps
1. Clone the repository:
```bash
git clone https://github.com/richardr1126/OpenReader-WebUI.git
cd OpenReader-WebUI
```
```bash
git clone https://github.com/richardr1126/OpenReader-WebUI.git
cd OpenReader-WebUI
```
2. Install dependencies:
```bash
npm install
```
```bash
npm install
```
3. Set up environment variables:
```bash
cp .env.template .env
```
> Edit the `.env` file with your configuration settings.
3. Configure the environment:
```bash
cp .env.template .env
# Edit .env with your configuration settings
```
4. Start the development server:
```bash
npm run dev
```
```bash
npm run dev
```
Visit [http://localhost:3000](http://localhost:3000) to run the app.
The application will be available at [http://localhost:3000](http://localhost:3000).
## **Features**
- Real-time sentence by sentence text-to-speech via OpenAI API TTS, [Kokoro FastAPI TTS](https://github.com/remsky/Kokoro-FastAPI), or others compatible with the `/v1/audio/speech` endpoint
- IndexedDB-powered local storage
- Synchronized text highlighting during playback (using string similarity for best match on the page)
- Configurable playback speed and voice options, which checks `/v1/audio/voices` for available voices
- Click-to-skip on the same page for navigation
- Responsive design with light, dark, and system themes
- All configuration settings saved in IndexedDB
## Available Scripts
## Stack
- `npm run dev` - Start development server with Turbopack
- `npm run build` - Create production build
- `npm run start` - Start production server
- `npm run lint` - Run ESLint for code quality
- **Framework:** Next.js (React)
- **Storage:** IndexedDB (in broswer db store)
- **PDF Processing:**
- [react-pdf](https://github.com/wojtekmaj/react-pdf)
- [pdf.js](https://mozilla.github.io/pdf.js/)
- Compromise for text analysis
- **UI Components:**
- Headless UI
- Tailwind CSS
- **TTS Integration:** anything you want
## Project Structure
```
src/
├── app/ # Next.js app router
├── components/ # UI components
├── contexts/ # Contexts for state management
└── services/ # Utility functions
├── app/ // Next.js app router
├── components/ // Reusable UI components
├── contexts/ // State management contexts
└── services/ // Utility functions & integrations
```
## Browser Support
## Contributing
The application requires modern browser features:
- IndexedDB for document storage
- PDF.js for document rendering
Contributions are welcome! Fork the repository and submit a pull request with your changes. For significant alterations, please open an issue first.
## License
MIT License
This project is licensed under the MIT License.
## Acknowledgements
- [react-pdf](https://github.com/wojtekmaj/react-pdf) for the PDF rendering library.
- [Kokoro-82M](https://huggingface.co/hexgrad/Kokoro-82M) text-to-speech model
- [Kokoro-FastAPI](https://github.com/remsky/Kokoro-FastAPI/tree/master) for the text-to-speech api wrapper.
- [react-pdf](https://github.com/wojtekmaj/react-pdf)
- [Kokoro-82M](https://huggingface.co/hexgrad/Kokoro-82M) for text-to-speech
- [Kokoro-FastAPI](https://github.com/remsky/Kokoro-FastAPI) for the API wrapper
Thank you ❤️
## Support
If you encounter issues or have suggestions, please open an issue on GitHub.
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