Compare PDF

Compare two PDF documents side by side

First PDF

Second PDF

Side by Side

View differences clearly

Highlight Changes

See all differences at once

Fast Comparison

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About Compare PDF

PDFNinja's Compare PDF tool allows you to compare two PDF documents side by side and identify differences between them. Whether you need to check document versions, verify changes between drafts, or find discrepancies between files, our free online tool makes it easy. Simply upload two PDFs and see exactly what's different between them. Perfect for legal document review, contract comparison, version control, and ensuring document consistency.

Key Benefits

  • Free and easy to use
  • No registration required
  • Browser-based comparison
  • Secure file handling
  • Fast results
  • Accurate detection

Features

  • Side-by-side comparison
  • Difference highlighting
  • Quick analysis
  • Content comparison
  • Page count comparison
  • Easy to use interface

Common Use Cases

  • Compare document versions
  • Check contract differences
  • Verify document changes
  • Review legal documents
  • Version control

Privacy Guaranteed

All processing happens locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.