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I have an exam paper scanned and saved as a PDF and I'm supposed to check it (correcting and giving marks). However, I lost the original hardcopy of this exam paper and I only have the scanned version in PDF. I cannot print this PDF as well since the area where I live is sealed due to covid-19.

The only solution I could think of is as follows:

  1. putting tick marks, grades, and numbers in my own handwriting on a blank paper then scanning it.

  2. Opening the PDF in Photoshop and place the tick marks and grades on the exam paper.

  3. Exporting the file as PDF and emailing it to my boss.

But for some reason Photoshop only allows you to work on a single PDF page at a time and then saving it individually, and this would make my task take ages.

Could I open and edit all the pages in the PDF simultaneously and then save them all into one PDF file again?

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    Do you have access to Adobe Acrobat (Pro) and/or InDesign? – 2rB Jun 23 at 9:59
  • You are using a programme (Photoshop) which is not designed to edit PDFs even though it can open one and save out to the format. As stated you need a PDF editor like the parent software Acrobat - there are others available though, like PDFelement available in the Apple App Store. – Applefanboy Jun 26 at 9:32
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If you have Acrobat, there are markup features and tools within Acrobat itself.

There's no reason to use Photoshop for general editing markup.

Just open the PDF in Acrobat, use the features there and save. -- You can draw, type, highlight, add comments, etc. all in Acrobat.

SEE HERE For the Adobe help regarding Acrobat markup.

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If you have access to Acrobat Pro:

Option 1:

  1. Backup your PDF file
  2. Open the PDF in Adobe Acrobat (Pro)
  3. Select the page, right click, edit in Photoshop
  4. Do your edits in Photoshop
  5. Save the image (you might have to merge the layers first)
  6. Return to Acrobat to find the updated image in place
  7. Repeat for the following pages

Option 2:

  1. Backup your PDF file
  2. Open the PDF in Photoshop
  3. Select all pages, set size and resolution
  4. Do your edits
  5. Save the images with a name keeping them in order
  6. Open Adobe Acrobat
  7. Select Tools -> Create PDF -> Multiple files -> Combine files (my program is not in English, so take into account possible naming differences)
  8. Select your files / drag your files in
  9. Make sure they are in order and check the Options settings.
  10. Press Combine.
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  • If one has Acrobat Pro you can add markup directly in Acrobat. There's absolutely no reason to edit images with Photoshop. – Scott Jun 23 at 10:43
  • Yea. I think the Fill & Sign tools should do everything OP needs right in Acrobat Pro. – Joonas Jun 23 at 10:46
  • My mistake for assuming what the OP needs - but as he suggested that he needed to write the corrections in his own handwriting, and then scan them – I assumed that he actually needed his handwriting to show on the corrected paper. – 2rB Jun 23 at 11:35

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