Participant

Question

Need to downside a PDF but it won't get any smaller

Forum|Forum|9 years ago
January 23, 2017
13 replies
92915 views

I have an indesign project that is about 13-16MB. I'm gone through and decreased the size of all the jpegs so they are all under 500mb in the file. I have a few pdf's in the file that are 500-1,000 MB. When I export, I have it set to downsize to 72 PPI but I have the quality set at maximum. If I decrease that too much, than the quality just isn't as good. When I do all of that my PDF is still about 7MB. From there I've optimized the PDF and I've also tried to reduce the PDF size and that only gets it down to about 6MB. Is there something else that I'm missing. I've looked at some settings and it shows that my content streams are about 50% which is the same as my images. Is there something I can do to decrease that. I basically have text, some arrows, lines, and a table in my document and then the rest is jpegs and a few pdfs. Are the arrows/lines causing that high content stream or would it be the PDF's inside the document.

JR Boulay

Community Expert

Reducing the size of a file always involves a compromise between file size and quality.

For a screen version, you can reduce the resolution to 150/200 dpi and use low or medium JPEG compression. This gives a much better result (weight and visual quality) than 72 dpi and quality max.

You should also try the same settings with JPEG2000 compression, which can give better results depending on the type of image.

Acrobate du PDF, InDesigner et Photoshopographe

Mike Witherell

Community Expert

In Export to PDF > General > ...

Did you turn off Preserve InDesign Editing Capabilities ?

Mike Witherell

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Justin38945231e8bt

Participant

A workaround I found using Word. In Adobe>save as doc>open doc in word>save as PDF (with reduced size). Reduced my 7MB pdf to 455KB

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Paul5C57

Participating Frequently

How is it that a dodgy word processing program can do a better job than an adobe program specifically built for the print world? That’s crazy. That’s Adobe.

Pariah Burke

Community Expert

I would be very careful of this as a “solution.” What does that workaround do to document accessibility (for assistive technologies) and what does it to do compatibility of the PDF with different readers (most people don’t use an Adobe-brand PDF reader, especially on mobile)?

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371530284o54

Participant

I really struggled too. Till I found this workaround.

I finished a large comics book in Acrobat, total size, 70 pages, over 1 GB. So way too large. I batch converted all the separate pages in Photoshop into jpg files. Makes them as lean as you want. Then import into Acrobat and finish... Worked for me, but strange that Adobe apparently has no simple solution within Acrobat...

James Gifford—NitroPress

Legend

Export to Acrobat with the correct resolution and flattening settings should achieve exactly the same result. Many workflows depend on Acrobat as the last processing step to get consistent, selected-resolution output from a hodgepodge of source materials.

It should not be necessary to pre-process page images as you've done.

But all of that is "should," not "does." 🙂

Kathy5FFA

Inspiring

I wanted to add a note here because for me, Reduced Size pdf did not work. What worked for me is selecting Optimized pdf with these settings. Worked like a charm and the quality was still very good for digital. Reduced the file size from 22 MB to under 1 MB.

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Angel Ivan37004724ak9d

Participant

Hate my life, this didn´t work for me 😞

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eduardom53733680

Participant

This is a huge issue. That is why people leave to other apps for compressing PDFs. They know Acrobat just sucks at it. I have 20 years in the field and this wasn't as bad in previous versions of Acrobat.

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Rubie268824230nvk

Participant

Hi everyone! I've got issues with my exported PDF from Indesign. I did every remedies from this thread to no avail. My InDesign file is about 17MB but to my surprise no matter how much I try to reduce it through the Export compression setting I always get PDF file larger than my Indesign file with sizes ranging from 24MB to 34MB. (I tried reducing sizes of the placed images, optimized the pdf file in Nitro PDF, and "saved as" the pdf file but I can't make it to 5 mb which is the target size). Thanks in advance for the help!

BobLevine

Community Expert

The size of the PDF has absolutely nothing to do with the size of the INDD file. Without examing the entire package it's impossible to give you any advice, but if this is for print, the LAST thing you want to be looking at is file size. What you want may not even be possible. There's a limit to how much you can reduce a file size without damaging it.

That said, this really isn't an InDesign issue and folks over at the Acrobat forum (if you're doing a lot of this, Acrobat remains the gold standard for dealing with PDFs) may be able to offer you some advice.

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Melanie22212227qojn

Participant

I was also having no luck with reducing file size, however as a last resort I just exported a large PDF to Powerpoint and then exported the PPT file back to PDF and reduced it from 16MB to 1.6MB.

James Gifford—NitroPress

Legend

I am always leery of running any document through the MS Office tools — perhaps less so with Word, but PP has never been anything but a layout and file management nightmare that makes CorelDRAW look stable. 🙂

I just duplicated your effort with a PDF document at hand, and it went from 292k (original, reduced-size PDF) to 126k PPTX to... 398k PDF.

I suggest that only careful management of the export to PDF from the source tool and then Acrobat's reduce file size feature can produce a PDF that is minimum size, maximum stability/compatibility and acceptable quality. After all, if an "outside" tool can reduce the image sizes and overall data set, tools with more control over the components and process should be able to do it better.

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Melanie22212227qojn

Participant

I expect mine was an edge case, to frame it I scanned a 24pp document with ScannerPro on my iPhone, output to PDF, couldn't get it down more than 3MB using reduce file size (on a Mac). Last resort tried exporting to other formats and back again, was pretty surprised this worked! Not for everyday, but thought I'd share my experience, as reduce file size didn't work this time (it usually does).

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Romik5FF9

Participant

I'm having the same issue. It is utterly incomprehensible that this is so complicated. i just want to be able to email a smaller verion of the pdf. unreal.

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JeepgirlSauni

Participant

I know this is an old thread but I'm having a TERRIBLE issue with this as well. I have a 1 page PDF document that I can't get to shrink no matter what I do to it in Photoshop or Acrobat. "Reduce file size" wont work, Were you ever able to get yours resolved? Any tips for it? Thanks!

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Sheila22459012ouns

Participant

Thanks Jeepgirl...that tip of your reduced my 10.9 MB pdf to a 459k pdf...cheers!

Barb Binder

Community Expert

More options to play with—enable Optimize for Web View and remember that the higher the Compatibility, the smaller the file. A same file saved for 10 or later is file is smaller that an Acrobat 9 file, which is smaller than an Acrobat 6 file. You can only get so far in InDesign, so try File > Save as other > Reduce File Size in Acrobat.