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Compare PDF Online

Combine two PDF versions into a unified comparison file and inspect visual revisions.

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About this tool

Combine two PDF versions into a unified comparison file and inspect visual revisions.

Open the workspace to review its available options and preview before exporting.

How to use Compare PDF

  1. Select Version A and Version B to compare.
  2. Review the available settings and check the preview before exporting.
  3. Select “Compare Documents” and save the resulting file.

Supported file types

Choose a file matching the formats accepted by the tool:

.pdf

Output options are shown in the tool workspace before you save.

Use it with related tools

Edit PDF & Stamp StudioEdit document text live with side-by-side A4 preview, add whiteout text replacements, or stamp custom official seals.Fill PDF Forms (AcroForm & Overlays)Detect and fill interactive AcroForm fields (text, checkboxes, radio buttons, dropdowns), optionally flatten form fields, or add manual text/checkmark overlays.

Before you upload

Review ScanifyAI's Privacy Policy and the options shown in the workspace before selecting a file.

Start using Compare PDF →