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AI & Document Intelligence

Compare Two PDF Files

Spot what changed between two versions of a contract, policy or report. Text additions and deletions are highlighted side by side, with a list of every change.

  • Runs in your browser — no upload
  • Free — no sign-up

How to use Compare PDF

  1. 1Add the original and the revised PDF.
  2. 2Review highlighted differences page by page.
  3. 3Export the list of changes.

Why use Compare PDF on PDF NOVA

Every change listed

A change list lets you step through each insertion and deletion instead of hunting visually.

Side-by-side view

Read extracted text side by side with additions and deletions highlighted. Images and formatting are not compared.

Processing on your device

Compare PDF processes your file in your browser on your device. The file is not uploaded for processing. Download the result to keep a permanent copy. Your active PDF is saved locally in this browser for recovery across refreshes. Close Document removes it; recovery expires after 24 hours and is cleaned up when PDF NOVA next opens. Unsaved changes are not restored.

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Frequently asked questions

Can I compare scanned documents?

Text comparison needs a text layer. Run OCR PDF on scanned versions first.