Acrobat-level feature — for free

Compare PDF Files

Upload two versions of a document and instantly see every change. Ghost overlay, pixel diff, side-by-side — all in your browser.

Original PDF (Version A)

VS

Modified PDF (Version B)

Three ways to see the differences

  • 1
    Ghost Overlay: One PDF is blended on top of the other with adjustable opacity. Layout shifts and hidden small-print changes become visible instantly.
  • 2
    Pixel Diff: Changed pixels glow bright red. Unchanged regions are shown as greyscale context — precise to the pixel.
  • 3
    Side by Side: Both pages rendered at the same scale, next to each other, for direct visual comparison.

Private & Secure by Design

Unlike Acrobat or cloud services, every byte of your document stays in your browser. Comparison happens entirely using client-side browser APIs — no server, no upload, no account required.

Perfect for comparing contracts, legal agreements, financial reports, or any sensitive document where privacy matters.