Compare PDFs
Put two versions of a PDF side by side and see exactly what changed on each page.
Runs in this tab · nothing is uploaded
- Add both PDFs
- Review the result
- Download the result
Add a file to start.
Your result will appear here
Up to 25 pages are compared pixel by pixel. A difference tells you where to look, not which version is right.
What to expect
Up to 25 pages are compared pixel by pixel. A difference tells you where to look, not which version is right.
Read the guideUse it in your own code
The same engine is the OfficeIMO.Pdf package for .NET. Run it on a server, in a script, or in your app, without Microsoft Office.
dotnet add package OfficeIMO.PdfWhat happens to your file
OfficeIMO runs inside this browser tab as WebAssembly. Your file is read here, never uploaded, stored or logged. Close the tab and it's gone.
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