How to Compare Two PDFs (Free, Phone OK)

Published: Oct 19, 2026 | Updated: Oct 19, 2026 | About (Japanese)

Compare Two PDFs (Find Differences) finds the text differences between two PDFs.

Steps

1. Choose the "Original PDF" and the "New PDF", one each.
2. Press "Compare".
3. Added lines are shown in green and removed lines in red.

Use "Compare Two PDFs (Find Differences)" (free)

Tools that go well with this

• Extract Text from PDF: Pull the text out of a PDF to copy or save.
• Merge PDFs: Combine several PDF files into one, in the order you choose.
• Read Text from Images and PDFs (OCR): Turn text in images and scanned PDFs into text.

More guides for this tool

• How to Check the Changes in a Contract
• Compare Versions of a Résumé or Application
• When You Want to Compare Scanned PDFs
• What PDF Comparison Can and Cannot Do
• If No Differences Appear, or Too Many Do
• How Your PDFs Stay on Your Device When Comparing

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