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3 replies

M
mayank_2932
Participant
August 8, 2025
DOC-20250808-WA0003-.pdf
W
william_johnsmith
Participant
December 8, 2024

To darken the text in a scanned document in Adobe Acrobat X, you can adjust the contrast of the image. Here's how:

  1. Open the scanned PDF in Adobe Acrobat X.
  2. Go to Tools > Enhance Scans.
  3. Click on Enhance > Enhance Scanned Document.
  4. In the dialog box that appears, adjust the Color/Grayscale or Black & White options to increase contrast or make the text darker.
  5. Click OK to apply the changes.
try67
Community Expert
try67Community Expert
Community Expert
July 9, 2020

You should use an image editor for that, like Photoshop.

    Remco Agency200
    Remco Agency200Author
    Participant
    July 10, 2020

    I am at work and we don't have photoshop

      Luke Jennings3
      Community Expert
      Luke Jennings3Community Expert
      Community Expert
      July 10, 2020

      If you have a Mac, you can use the Photos application (Included with the OS) to edit images, although I don't think you can save as a PDF. You can also use an Acrobat Preflight Profile to make color changes. I no longer have Acrobat X, but I believe the preflight shown in my screen shots below are available. Go to Tools> Print Production> Preflight Fixups, find the existing preflight Tone value adjustment in midtones by -10%, From the fly-out menu, duplicate and re-name the profile (You can't make edits to an existing profile). Edit the new profile and change the Dot gain curve setting to one of the other options (+25%) and click OK. Click the Fix button at the bottom right corner to apply the fixup to your scan, repeat as needed.

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