Smart PDF Comparison Tool

Upload two PDF files and see exactly what changed โ€” line by line, word by word.
100% private, no file uploads, all processing happens in your browser.

Powerful Features

100% Private

All processing happens locally in your browser. Your files never leave your device.

Word-Level Diff

See exact word-by-word differences with color-coded highlights.

Export Reports

Download detailed change reports in TXT format for documentation.

Responsive Design

Works seamlessly on desktop, tablet, and mobile devices.

Real-time Comparison

Instant side-by-side comparison with synchronized scrolling.

Change Navigation

Easy navigation through changes with previous/next buttons.

How It Works

1

Upload PDFs

Select two PDF files from your device

2

Click Compare

Our tool extracts and analyzes text instantly

3

Review Changes

See highlighted differences and download report

Frequently Asked Questions

๐Ÿ” What types of PDFs can I compare?
Our tool works best with text-based PDFs (not scanned images). It extracts visible text line by line. For scanned documents, OCR would be required.
๐Ÿ”’ Is my data secure?
Absolutely! All processing happens locally in your browser using advanced PDF technology. Your files never leave your device โ€” no uploads, no servers, complete privacy.
๐Ÿ“Š How are differences highlighted?
Added text appears in green, removed text appears in red with background highlight. Lines with changes have colored borders, and you can navigate through each change.
๐Ÿ“ฑ Is it mobile-friendly?
Yes! The tool is fully responsive and works seamlessly on all devices โ€” desktop, tablet, and mobile phones.
๐Ÿ’พ Can I save the comparison results?
Yes! You can download a complete TXT report with all changes, including line numbers and content differences.