Compare PDF

 

Compare PDF

Upload two PDF files and instantly see the differences — additions, deletions and changes highlighted side by side.

Step 1 — Upload Two PDFs

Original

Drop Original PDF

The base / older version

—

VS

Modified

Drop Modified PDF

The updated / newer version

—

Step 2 — Compare & View Differences

Comparing PDFs...0%

Comparison Summary

-

Pages

-

Lines Added

-

Lines Removed

-

Similarity

Added

Removed

Changed

Unchanged

Original

Modified

Only in Original

Only in Modified

Unchanged

3 view modes — Text Diff (line-by-line changes), Side by Side (visual page previews), and Visual Overlay (pixel-level difference highlighting).

100% private — both PDFs stay on your device. Zero uploads. Works completely offline after page load.

Text-based comparison — extracts and diffs the actual PDF text content for accurate change detection, plus visual overlay for layout/image changes.

Processes locally · No data uploaded · Free to use