Does it highlight text diffs?

It produces visual side-by-side page images rather than a textual diff.

A ZIP of PNG files, one per page pair.

Is Compare PDF private?

Yes. Both files are processed in your browser.

Compare two PDFs online page by page. Download a ZIP of side-by-side PNG previews — free and private.

PDF

Runs entirely in your browser — files stay on your device.

Side-by-side visual compare

Drop original PDF

or click to browse

Side-by-side visual compare

Drop revised PDF

or click to browse

Spot visual differences between two PDF versions with side-by-side page renders.

Export a ZIP of comparison images — all rendered locally.