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Thread: PDF Black Text Quality

  1. #1
    Join Date
    Aug 2013
    Beans
    1

    PDF Black Text Quality

    Hello,

    I need to convert pdf to image format in a large number of units, daily near about 4000 pages of pdf are converted to image format, currently i complete this task using a pdf converter, this tool helps me converting pdf to image but now i'm facing a problem with it's quality, as the pdf converts images, the text within the pdf losses it's quality, turning the black text to grey. i want to avoid this text colour conversion.

    I need a solution on it, i need some sort of converter or tool you can say which might help me in making images from pdf and also without harming the quality of the text, the black text.

    Pl if anyone do has a solution on it do write back to me !!!

    abhijeetk AT creativeglobal DOT in


    Regards,
    Abhijeet.
    Last edited by bapoumba; August 28th, 2013 at 09:40 PM. Reason: edited email.

  2. #2
    Join Date
    Jul 2013
    Beans
    190

    Re: PDF Black Text Quality

    Hey,

    eventually you can use pdftoppm command, but i can't tell you something about the quality.
    Possibly you must write a little script to convert multiple pdf's.

    http://manpages.ubuntu.com/manpages/...dftoppm.1.html

  3. #3
    Join Date
    Aug 2013
    Beans
    5

    Re: PDF Black Text Quality

    I've tried Zamar and it works well in converting pdf to jpg images. try it.

  4. #4
    Join Date
    Aug 2011
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    47°9′S 126°43W
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    1,868
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    Kubuntu 12.10 Quantal Quetzal

    Re: PDF Black Text Quality

    From memory ImageMagick's "convert" can do it... But I don't see why any converter worth its salt would change black to gray... so the problelm could be something else.

  5. #5
    Join Date
    Feb 2014
    Beans
    4

    Re: PDF Black Text Quality

    Quote Originally Posted by abhijeet2 View Post
    Hello,

    I need to convert pdf to image format in a large number of units, daily near about 4000 pages of pdf are converted to image format, currently i complete this task using a pdf converter, this tool helps me converting pdf to image but now i'm facing a problem with it's quality, as the pdf converts images, the text within the pdf losses it's quality, turning the black text to grey. i want to avoid this text colour conversion.

    I need a solution on it, i need some sort of converter or tool you can say which might help me in making images from pdf and also without harming the quality of the text, the black text.

    Pl if anyone do has a solution on it do write back to me !!!

    abhijeetk AT creativeglobal DOT in


    Regards,
    Abhijeet.
    I have not yet considered the quality to convert black PDF text. It always occurs problems when converting color pdf text into grayscale one. I searched the internet and found few posts talking about this issue. So please share with us the final solution. It will definitely help. Thank you.

  6. #6
    Join Date
    Mar 2014
    Beans
    10

    Re: PDF Black Text Quality

    thank you for your solution. it worked for me

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