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BlueStar434
BlueStar434
Inspiring
August 19, 2023
Question

My 60 page pdf file is HUMONGOUS, over 1 GB? I need the file to be less then 20MB!

  • August 19, 2023
  • 3 replies
  • 3517 views

Hi! Can anyone help me out here please? I've looked at other similar posts on here but unable to find answers!

 

I've created a 60 page PDF doc which is to go on Etsy as a coloring book, I used JPG images which I converted in Photoshop 2023, to 300dpi PDFs. When I do this each page comes out at about between 18 and 25MBs which leaves me with a file size for the whole document as over 1 GB!!! The maximum file size you can upload on Etsy is only 20MB!

 

I've tried so many different things such as reducing file size but this only brings it down to about 750MB. I saved the separate pages with the 'smallest file size' option which works and brings pages down to low KB numbers, but obviously then the file quality for printing is reduced. When I put it back up to 200 or 300 dpi the files go massive again,

 

I've tried removing metadata but that only reduces file sizes down slightly.

 

Is this something to do with the version of Photoshop I am using? As I've never had this trouble in the past.

 

If anyone can help me out here I will be eternally grateful thank you 😊

 

Amanda

 

 

 

 

    This topic has been closed for replies.

    3 replies

    gary_sc
    Community Expert
    gary_scCommunity Expert
    Community Expert
    August 19, 2023

    Hi, @BlueStar434, I'm sorry, I failed to fully read your message fully, and assumed you also had lots of text in the files. Once I saw that the pages were mostly (and fully?) line drawings, I then realized what you are up to. 

     

    No, converting the JPG images into TIF files will only exasperate your issue. A full page (letter-sized) tif image is about 8 MB. and 60 pages, which will be ≈ 480 MB!!

     

    What you need to do is to convert those lines into Vector images. Not only will the final page sizes be very small, but they will print perfectly at any resolution. (That's why they call vector images "resolution independent.")

     

    Do you have Illustrator? If so, you can take the jpg images you have and convert them into vector images and shapes. It's fairly straightforward and easy to do.

     

    Here's a YouTube video that's pretty good for the process. If you skip to about 1'50", you can go straight to a line drawing conversion.

     

    https://www.youtube.com/watch?v=gyLSZIbXI0g

     

    Good luck!

    gary_sc
    Community Expert
    gary_scCommunity Expert
    Community Expert
    August 19, 2023

    Oh, one extra thought, if you do not have access to Illustrator, you should also try to save the image to a PNG format. (Not PNG-24). See how that does. It should be smaller than a JPG and MUCH smaller than a TIF

     

    Once you do either the PNG or the vector format above, you'll have to then run the images through Acrobat one more time.

    gary_sc
    Community Expert
    gary_scCommunity Expert
    Community Expert
    August 19, 2023

    Photoshop PDFs are notoriously large. I do not know the structural differences between what Photoshop does and other applications, but it is real, and it is tremendously large. If you have Acrobat DC (or any version of Acrobat that is NOT Acrobat/Adobe Reader, open the file up and save it in a reduced-sized PDF.

     

    As a side note, there are times when I receive a PDF and need to send it to someone else, but I wish to remove any personal information that the next person should not be seeing, I take the PDF into Photoshop, put it on a Gaussian Blur, and save it as a PDF. Then I have to take that ginormous PDF and resave it in Acrobat. It will be larger than the original because the Gaussian Blur is now pixels and occupy more storage space. Nonetheless, it is substantially smaller than what Photoshop provided.

    B
    Brycesteiner
    Inspiring
    August 19, 2023

    Assuming there is no color already - 1-bit tiff 1200 dpi line art or vector files.

     

    BlueStar434
    BlueStar434Author
    Inspiring
    August 19, 2023

    No, no colour, just black and white line images! They are AI created and downloaded from Leonardo, and are JPG images. Is this what you mean? Thanks for responding 😊

    B
    Brycesteiner
    Inspiring
    August 19, 2023

    Yes. convert to 1 bit tiff in Photoshop. They will be much smaller and look better because they won't have "fuzzy" edges. file sizes should be very small.

     

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