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BUZZ NEXTERS TOOLS
Runs on your device

Compare PDF

Load the original and the revised PDF to see added and removed words and a visual overlay of changed areas.

Original PDF

Choose a file or drop it here

Click to browse · PDF · up to 100 MB

Revised PDF

Choose a file or drop it here

Click to browse · PDF · up to 100 MB

Runs in your browser: your files and data never leave your device.

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What is Compare PDF?

Compare PDF finds what changed between two versions of a document, both in the text and in the visual appearance of pages.

How to use Compare PDF

  1. 1

    Add the original PDF and the revised PDF.

  2. 2

    Click Compare.

  3. 3

    Browse pages in text or visual view and download the report.

Features

  • Word-level text differences
  • Visual pixel-difference overlay
  • Per-page change indicators
  • Downloadable text report

Supported formats

  • PDF

Maximum file size: 100 MB per file.

Practical uses

  • Check what changed in a new contract version.
  • Review edits in a revised report.
  • Verify that only approved changes were made.

Limitations

  • Pages are compared by position (page 1 with page 1); inserted pages shift the comparison.
  • Scanned documents need OCR for the text comparison.

Frequently asked questions

Are my documents uploaded?

No. Both files are compared in your browser.