---
title: ProofCheck
emoji: 🔍
colorFrom: blue
colorTo: purple
sdk: gradio
sdk_version: "4.44.0"
app_file: app.py
pinned: false
license: apache-2.0
tags:
  - document-processing
  - pdf
  - ocr
  - comparator
task_categories:
  - other
pretty_name: ProofCheck
---

# 🔍 Advanced PDF Comparison Tool

Upload two PDF files to get comprehensive analysis including:
- **Visual differences** with bounding boxes
- **OCR and spell checking**
- **Barcode/QR code detection**
- **CMYK color analysis**

## Features
- High-DPI PDF rendering (600 DPI) for improved OCR and barcode recognition
- Rule-based text and layout comparison
- Export of comparison results

## Usage
Run locally:

```bash
python run.py
```

## License
Apache-2.0