View both PDFs and their differences in a three-column layout
Detects even the smallest visual changes between documents
Your files never leave your device — no server uploads
Navigate through all pages to compare every detail
Upload the original PDF (A) and the modified PDF (B). The tool renders both side by side and generates a visual diff highlighting all differences in red. Use the page slider to compare every page.
Both PDFs are rendered as images page by page. The tool then performs a pixel-level comparison and highlights differences in red.
Yes. You can navigate through all pages up to the maximum of either document. Pages beyond one document's length will show as blank.
The tool detects any visual difference — text changes, moved elements, image modifications, color changes, and layout shifts.
Yes, 100%. All processing happens in your browser. Your PDFs are never uploaded to any server.
Red areas highlight pixels that differ between the two PDFs. Faded/transparent areas show content that is identical in both files.
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