PDF Document Comparison Tool

Compare two versions of a PDF contract, report, or document. View highlighted text additions, deletions, and visual page changes side-by-side.

Key Features

• Pixel-level canvas overlay difference engine
• Synchronized side-by-side scroll lock
• Highlights text additions in green and deletions in red
• 100% private local comparison

Frequently Asked Questions

Is the PDF Visual & Text Diff Comparison free to use?

Yes, DODDY's PDF Visual & Text Diff Comparison is 100% free with no account registration, subscriptions, watermarks, or usage limits.

Are document contents transmitted to any cloud servers?

No. Visual rendering and diff parsing run entirely inside browser WebAssembly.

Are my files and data kept private when using PDF Visual & Text Diff Comparison?

Yes. All computations and file transformations run locally within your web browser. Your confidential data is never transferred to external servers.