Review the same page from two PDFs side by side. Check extracted text and pixel differences on equal-sized pages; download a difference image locally.
Check differences between PDF versions
Choose two PDFs and a page number. Source pages appear side by side with a separate text equality check. Equal-sized pages produce a colored difference map. Compare all pages checks each page in sequence, reports missing pages and creates a CSV report. Difference maps are downloaded in a ZIP.
Example and supported scope
To inspect page two in an old and new document, set the page number to 2. Then review other pages in turn.
Not signature, legal-validity or hidden-data verification. Reordered pages are not matched. Scanned pages without text require visual review. Up to 50 MB and 80 pages per file.