How to make PDFs sharper (better readability)?

Fresh3 days ago

Mar 15, 2026136026 views

Confidence Score0%

Problem

I've really badly scanned document in PDF which I would like to enhance (make grey, hardly visible invoice readable). Is there some free tool, or trial tool that I could use on this one document? OS is Windows.

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Fix for: How to make PDFs sharper (better readability)?

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Take a screenshot of it by Alt + PrtScr and paste it in IrfanView Then go to the menu "Image" and apply "sharpen" ( or press Shift + s ) until you achieve the result you need.

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How to make PDFs sharper (better readability)?

Problem

1 Fix

Fix for: How to make PDFs sharper (better readability)?

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