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---
title: Pdf RAG Chatbot
emoji: 🏢
colorFrom: gray
colorTo: yellow
sdk: gradio
sdk_version: 6.2.0
app_file: app.py
pinned: false
short_description: 'Chat with your pdf '
---
# 📄 PDF RAG Chatbot
A Retrieval Augmented Generation (RAG) chatbot that allows you to upload PDF documents and have conversations based on their content using AI.
## Tech Stack
- **UI**: Gradio
- **LLM**: Groq (Llama 3.3 70B)
- **Framework**: LangChain
- **Embeddings**: HuggingFace (all-MiniLM-L6-v2)
- **Vector Store**: FAISS
- **PDF Processing**: PyPDF
## Installation
1. Clone the repository:
```bash
git clone <your-repo-url>
cd pdf-rag-chatbot
```
2. Install dependencies:
```bash
pip install -r requirements.txt
```
3. Set up your Groq API key:
```bash
export GROQ_API_KEY="your-api-key-here"
```
Get your free API key from [Groq Console](https://console.groq.com)
## Usage
1. Run the application:
```bash
python app.py
```
2. Open your browser to the displayed URL (usually `http://localhost:7860`)
3. Upload a PDF file
4. Wait for processing to complete
5. Start asking questions about the PDF content!
## How It Works
1. **PDF Processing**: The uploaded PDF is split into smaller chunks
2. **Embedding**: Each chunk is converted into a vector embedding
3. **Vector Storage**: Embeddings are stored in FAISS for fast retrieval
4. **Query**: When you ask a question, the system finds the most relevant chunks
5. **Response**: The LLM generates an answer based on the retrieved context
## Environment Variables
- `GROQ_API_KEY`: Your Groq API key (required)
## Deployment
### Hugging Face Spaces
1. Create a new Space on Hugging Face
2. Upload all files
3. Add `GROQ_API_KEY` to Space secrets
4. Your app will be live!
### Local Development
```bash
python app.py
```
## Example Questions
After uploading a PDF, you can ask questions like:
- "What is the main topic of this document?"
- "Summarize the key points"
- "What does the document say about [specific topic]?"
- "Can you explain [concept] from the document?"
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