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---
title: Electrol Roll
emoji: 🌍
colorFrom: purple
colorTo: gray
sdk: gradio
sdk_version: 5.33.0
app_file: app.py
pinned: false
license: mit
short_description: Gradio app for the Electrol csv
---
Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
# 🗳️ Hindi Voter PDF Processor with LLM API (OCR + OpenRouter + Gradio)
This app extracts voter information from scanned PDFs using OCR and formats it into a structured CSV using an LLM API (via [OpenRouter](https://openrouter.ai/)).
---
## 📦 Features
- Extracts text from Hindi/English PDFs using EasyOCR
- Splits content to avoid LLM token limits
- Sends chunked JSON to LLM for conversion to clean CSV
- Uses OpenRouter LLM API (e.g., Gemma-3b)
- Interactive UI with Gradio
- Supports download of extracted JSON and final CSV
---
## 🌐 Get Your OpenRouter API Key
- Go to https://openrouter.ai
- Click Login (use Google/GitHub/Email)
- Navigate to the Models page
- Click on a model like gemma-3b, mistral, etc.
- On the model page, click "Create API Key"
- Copy the API key
## 🧪 How to Use the Gradio App
### 🔹 Tab 1: PDF Processing
- Upload a Hindi/English scanned PDF
- Click "Process PDF"
- View extracted text in JSON format
- Download JSON file if needed
### 🔹 Tab 2: LLM API Processing
- Paste your OpenRouter API key
- (Optional) Customize the prompt or add instructions
- Click "Call LLM API"
- View structured voter data in CSV format
- Download the CSV file
- Enable Debug Mode to see raw API responses for troubleshooting.
### 📁 Output Files
Extracted JSON and CSV files are saved in the processed_json/ folder.
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