Can I compare more than two files at once?

No. Compare PDF currently supports exactly two files per comparison run.

Does this tool support scanned PDFs with no selectable text?

Not in this version. The comparison focuses on text-layer PDFs and does not include OCR.

No. Comparison happens entirely in your browser, so files stay on your device.

Compare two PDF files side-by-side and highlight text changes.

Drop your pdfs here...

No file size limit

PDF

How to use Compare PDF

Upload exactly two PDF files, run Compare PDF, then review detected changes in the report while checking pages in the preview panes.

Upload two PDFs
Select one original PDF and one revised PDF from your device.
Run comparison
Click Compare PDF to detect additions, deletions, modifications, and moved text.
Review and navigate
Use search and Jump to Next to inspect each change with page context.
Validate visually
Inspect corresponding pages and switch to overlay mode for visual alignment checks.

100% Private - No uploads

Key features

Frequently asked questions

Related Tools