Compare PDFs Online Free
Compare two PDFs side by side. All processing happens in your browser. No uploads, no signup—your files never leave your device.
How to use
1
Upload two PDFs
Add the original PDF and the revised PDF. Both files stay in your browser—nothing is uploaded.
2
Review differences
Pages are paired automatically. Use overlay or side-by-side view, filter by added/removed/modified text, and step through changes. Optional OCR helps with scanned pages.
3
Export report (optional)
Download an HTML report summarizing differences across all paired pages.