Compare PDF Files

Visually compare two PDF files to find differences.

FREE - NO SIGN-UP - RUNS ON YOUR DEVICE

Your PDFs stay on your device

Specification

Compare PDF at a glance

How to

Questions

No, it provides a direct visual comparison by highlighting the differences on the pages themselves. There is no separate report file.

The comparison is visual, so it detects changes in text, images, and layout. It cannot isolate text-only changes.

For large or complex PDFs, the comparison is computationally intensive. It depends on your computer's processing power, not our servers.

Background

Find changes between two versions of a PDF document. This tool renders both files and highlights the areas that have been changed, on screen.

Compare two PDF versions to track changes in contracts or reports. Quickly spot modifications without reading both documents line by line.
The visual comparison helps identify subtle layout shifts or image replacements that a text-only comparison might miss, showing what has been altered.

Specification of the Compare PDF tool
Input formats	PDF (two files required)
Output formats	Visual comparison on screen
Maximum file size	Limited only by your device memory
Batch	Compares one pair of files
Quality control	Highlights text and image differences
Metadata handling	Metadata is not compared
Price	Free
Account required	No

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