Compare PDF
Compare two PDFs side by side and highlight the visual differences.
🔒 Your files are processed securely over HTTPS and deleted automatically after your download.
Spot what changed between two versions of a document — compare renders both side by side and highlights the differences so you don't have to hunt for edits line by line.
How to use Compare PDF
- Upload the two PDF versions you want to compare.
- Click Process to render them side by side.
- Differences between the versions are highlighted for you.
- Review the report and download or note the changes.
Frequently asked questions
What kind of differences does it show?
It renders both PDFs side by side and highlights the visual differences page by page.
Do both files need the same number of pages?
It compares page by page; differing page counts are still shown so you can see what was added or removed.
Is this tool free to use?
Yes. You can use it for free with no account required and no watermark added to your file.
Are my files kept private?
Your file is sent over an encrypted HTTPS connection, processed on the server, and deleted automatically right after your download. Nothing is stored or shared.