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Compare PDFs
Compare rendered pages side by side and highlight visual differences.
Free to use · Files stay on your device · No signup
This tool works in your browser. Enable JavaScript to select files and create your download.
How to use Compare PDFs
- Choose the original PDF first and the revised PDF second.
- Process the files to compare rendered pages.
- Download the side-by-side report and review the red difference highlights.
What you need
Choose PDF files in the order shown in the instructions.
Your result
A side-by-side PDF comparison report.
Before you start
This compares appearance, not meaning. Page size, rendering, and formatting differences can produce highlights.
Questions about Compare PDFs
How do I use Compare PDFs?
Choose the original PDF first and the revised PDF second. Process the files to compare rendered pages. Download the side-by-side report and review the red difference highlights.
What does Compare PDFs produce?
A side-by-side PDF comparison report.
What should I check before using Compare PDFs?
This compares appearance, not meaning. Page size, rendering, and formatting differences can produce highlights.
Are my files uploaded?
Document processing runs on your device. The website downloads its code and processing engines, but the tools do not upload your documents.