Compare PDF
View two PDFs side by side and spot the differences.
Your files never leave your device
How to use Compare PDF
- Select the original PDF and the changed PDF.
- Browse the pages side by side.
- Turn on “Highlight differences” to see what changed.
Frequently asked questions
Is Compare PDF free?
Yes. Compare PDF on LoveLovePDF is free to use, with no sign-up and no watermarks added to your files.
Are my files safe?
Yes. This tool runs entirely in your web browser. Your files are processed on your own device and are never uploaded to our servers.
Does it work on my phone?
Yes. LoveLovePDF works in any modern browser on Android, iPhone, Windows, Mac and Linux. There is nothing to install.
Is there a file size limit?
There is no fixed limit because everything happens on your device, but very large files may be slow on older phones.