100% Client-side

Compare PDF

Compare two PDFs and see exactly what text was added or removed. Runs in your browser, nothing uploaded.

Original

With real text

New version

With real text

0 KB uploaded. Your file never leaves this browser tab.

Open your browser's Network tab while you use this tool, you will see zero data sent to any server.

IYONM

Cloud tools

Your files

Stay on your device

Uploaded to a server

File size limit

None

Capped on free plans

Works offline

Yes

Signup

Never

Pushed for limits

How to use

📄

1. Add two PDFs

The original and the new version.

🔍

2. Compare

We diff the text line by line.

✅

3. Review

Added lines in green, removed in red.

Are my files uploaded?

No. Both PDFs are read and compared in your browser.

What does it compare?

The text content, line by line. Layout and images are not compared.

Does it work on scans?

Only on PDFs with real text. Run OCR PDF first on scans.

Is it free?

Yes, free with no limits.