Compare two versions of a PDF document.

Quickly detect differences between PDF file versions with the file compare tool. Acrobat analyzes the files and presents a report detailing the differences between the documents.

• Compare PDF files

Important documents go through many rounds of revision. Compare two PDF files with our redesigned Compare Files tool — and know you’ve caught every change.

• Compare two versions. 
   

   A highlight bar within the comparison tools helps you quickly spot all text and image differences between PDFs.

• Review differences.
   

   

  Identify all changes made to your PDF documents or scanned PDFs. See what's been added, deleted, and modified it a glance in an easy-to-scan results summary.

• Visualize changes.
   

   

  Easily compare documents using side-by-side or single-page views. Use this type of document comparison when you want to quickly spot changes by eye.

• Choose your filter.
   
  Maybe you only need to compare text or look for updated images — with the comparison tool, you can view only the changes you need to check. Filter by image, text, annotations, or formatting.

• How-to guide:

          How to compare two PDF files:

•  Within Acrobat, choose Tools > Compare Files.
• Click Select File at left to choose the older file version you want to compare.
• Click Select File at the right to choose the newer file version you want to compare.
• Click Compare.
• Review the Compare Results summary.
• Click Go to First Change to review each file difference between the older document and the newer document.

Learn more about comparing two PDF files >

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To discover a host of other great features – Go straight to: Edit Text in PDF files | Instantly Edit a Scanned PDFs | Merge files into one PDF