Compare PDF

See the differences between two versions of a document, side by side.

Original document

or drop it here

Modified document

or drop it here

Ignore upper/lower case

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How to use Compare PDF online

Compare PDF shows what changed between two versions of a document: added, removed and modified text are highlighted so you can review contracts and drafts quickly.

Select the original PDF and the modified PDF.
Optionally ignore differences in upper and lower case.
Click "Compare".
Review the highlighted changes and download the comparison report.

Why use PDFILOVE Compare PDF?

Catch every change in contracts and agreements.
Similarity score shows how much changed.
Both documents stay private on your device.

Your file is processed inside your own browser, so it is never uploaded to our servers.

Frequently asked questions

Can I compare scanned PDFs?

Run OCR PDF on both scans first so they contain real text.

Does it compare images?

The comparison focuses on text, which is what matters for most documents.

Can I save the result?

Yes, download the comparison report as a PDF.