paper🔒 Runs on your device
Compare PDF files
See exactly what changed between two versions of a PDF: changed words highlighted side by side, plus a pixel view for pictures and layout. Private, in your browser.
Open Paper to compare PDF files →Your file never leaves your device: Paper does this in your browser, and its security policy stops the page from sending data to any other site.
How to compare PDF files
- Open the first PDF.
- Choose Compare, then With another PDF.
- Step through the pages: removed words red, added words green.
Questions
Is it free?
Yes, free and open source, with no sign-up and no watermark.
Are my files uploaded?
No. Both files are read and compared on your device.
Can I see what I edited in Paper?
Yes. Choose Original vs my edits to review every change before you export.