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How to prevent text-copy-pasting

Community Beginner ,
May 13, 2021 May 13, 2021

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I have seen a lot of e-books with Its text can be copied but when pasted in notepad/ms word it becomes unreadable words or Weird characters . So kindly say Is there an option to do the same in Adobe Acrobat Pro DC.

I want to prevent others from copying my PDF. I expect the same result as seen in the JPG attachment 

 

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correct answers 1 Correct answer

Community Expert , May 13, 2021 May 13, 2021

Sorry, can't help you with that. And even if you did it there are ways around it.

One can export the pages as images, then create a new file and run Text Recognition on it, and get selectable and copyable text (if the results of the OCR are good, of course).

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Community Expert ,
May 13, 2021 May 13, 2021

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This happens when you use a font that has bad encoding. It's generally a bad idea, as it not only prevents copying and pasting the text, but also searching it, making useful comments in it, etc. I would strongly recommend you don't do that.

You can apply a security policy that prevents content extraction in general, but be aware that many non-Adobe PDF viewers totally ignore it, and other tools allow you to remove it quite easily.

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Community Beginner ,
May 13, 2021 May 13, 2021

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Thanks for your quick replay.
I have seen many videos like "How can I copy text from secured pdf".
That's why I inquired about such a security feature. so
Please tell, How can I add a bad encoded font in my pdf.

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Community Expert ,
May 13, 2021 May 13, 2021

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Sorry, can't help you with that. And even if you did it there are ways around it.

One can export the pages as images, then create a new file and run Text Recognition on it, and get selectable and copyable text (if the results of the OCR are good, of course).

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LEGEND ,
May 13, 2021 May 13, 2021

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This is considered a serious fault in a PDF. Adobe won't give any tools to make faulty files. Yes, I can see it's convenient, for your wishes,  but Acrobat and other tools can just do OCR and copy it anyway...

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Community Beginner ,
May 13, 2021 May 13, 2021

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As I understand it from the internet. it is Usage of fonts with non-unicode glyph mapping. But I do not know how to do this. I could not even see it on any website.

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Community Expert ,
May 13, 2021 May 13, 2021

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What you're asking for is to deliberately create a corrupt file. You won't find any help or tutorials on how to do that here.

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Community Beginner ,
May 13, 2021 May 13, 2021

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I didn't know it was wrong way because I saw big publishers using it.
If my questions are incorrect, please forgive me. My PDF have 500 + pages . That's why I wanted no one to copy it without my consent.

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LEGEND ,
May 13, 2021 May 13, 2021

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But we've told you it's useless because it can be OCR'd in seconds. (Well maybe minutes).  Do you not follow what we're saying?

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New Here ,
Feb 21, 2024 Feb 21, 2024

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I am sad to read how some people here that are supposed to help turn into critics and judging, and even with a sense of mean power asking  "Do you not follow what we're saying?" this is mean really, provide your answers and let the person decide, what he is asking is widely used, have its cons but its common practice for those who worked hard and want to protect their value. To the original questioner: Do as you want, keep searching read and take whats add value and make your own decisons, dont as for forgiveness to one that is trying to control or manipulate you as less than they. Good luck.

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