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PNG logo in Indesign is blurry

New Here ,
Mar 28, 2018

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Hello,

I am trying to add a png logo to an indesign document, and the logo looks blurry both in Indesign and when I export as a PDF (PDF/X-1a).  The PNG logo is 3000px wide and when I view it in Photoshop it looks fine, but when I scale it down in Indesign to 30mm wide the edges are blurry.  I have tried changing display performance to high-res and I've tried exporting it as a pdf and it is blurry on the pdf too.

A few details...

I'm using Indesign CC (2017)

I have tried both place (selecting the png file), and copy and paste from photoshop.

I have also tried exporting from photoshop as a jpeg and placing that, but no luck.

The logo is text based, but was sent to me, so I won't be able to re-create it!

Below is a screenshot of the logo.

Any help much appreciated!

Thank you

Valerie

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PNG logo in Indesign is blurry

New Here ,
Mar 28, 2018

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Hello,

I am trying to add a png logo to an indesign document, and the logo looks blurry both in Indesign and when I export as a PDF (PDF/X-1a).  The PNG logo is 3000px wide and when I view it in Photoshop it looks fine, but when I scale it down in Indesign to 30mm wide the edges are blurry.  I have tried changing display performance to high-res and I've tried exporting it as a pdf and it is blurry on the pdf too.

A few details...

I'm using Indesign CC (2017)

I have tried both place (selecting the png file), and copy and paste from photoshop.

I have also tried exporting from photoshop as a jpeg and placing that, but no luck.

The logo is text based, but was sent to me, so I won't be able to re-create it!

Below is a screenshot of the logo.

Any help much appreciated!

Thank you

Valerie

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5.6K

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Adobe Community Professional ,
Mar 28, 2018

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Hey Valerie

Sorry you're having some problems with your logo.

Is there any chance we can have a look at the file you're trying to place? If you're worried about re-use, then chop it in half.

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New Here ,
Mar 28, 2018

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Hi Tony,

Thanks for getting back to me so quickly, here is the original png...

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Adobe Community Professional ,
Mar 28, 2018

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Hey Valerie

Is this pasted from Photoshop? This does not appear to be the same image you're using above?

Sorry to be making all the asks, but is there any chance you could send me the original png file, please? Send it to me as a message, if you don't want to post it here (which I completely understand). To examine this properly, I need the original data, and a pasted graphic is different.

Thanks, in advance.

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Explorer ,
Mar 28, 2018

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Hi Valerie,

I believe the issue is that you are placing it in Indesign as scaled down to 30mm.

The pixels will be modified to be a 300dpi (or whatever dpi you are setting while exporting) to that 30mm.

So when you zoom in the PDF to check the you will be viewing at an approximate 700% of it's original size.

that's why you will see blurry edges.

I'm sure it will come out right when printed. "assuming the PNG is clean and clear on it's original 3000px"

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Adobe Community Professional ,
Mar 28, 2018

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The other option for bitmapped text is to save as Bitmap Mode (Black & White) at its full resolution and apply the gray or color in InDesign. Then it will export as a Monochrome Image with a separate compression setting:

This Black and White version of your PNG has an Effective res of 1725ppi

Screen Shot 8.png

Screen Shot 5.png

If I select the image (not its container), I can apply any color:

Screen Shot 6.png

My Black and White image will export unchanged because the Monochrome Image threshold is 1800ppi

Screen Shot 7.png

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Adobe Community Professional ,
Mar 13, 2020

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Using high-res, bitmap/monochrome images is a forgotten "art". 

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Adobe Community Professional ,
Mar 28, 2018

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The PNG logo is 3000px wide and when I view it in Photoshop it looks fine, but when I scale it down in Indesign to 30mm wide the edges are blurry

When you scale an image (whether it's placed or pasted) the image pixels also get scaled (resized). If you place the png the scaled resolution will show as the Effective resolution in the links panel. If I place the PNG you posted and scale it down to 30mm the effective resolution increases to 1035ppi:

Screen Shot 3.png

If I export the page using a default preset, the Compression tab setting is going to downsample the png image to 300ppi, or to less than 30% of the original resolution.

300ppi is generally enough for a typical "picture" image, but wouldn't necessarily be enough for text like this. The ideal would be to recreate the text so it is a vector and not an image. Otherwise you would have to change the settings in your PDF Compression tab to prevent the downsampling.

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New Here ,
Mar 28, 2018

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Thank you!

Unfortunately, I don't think I am going to be able to get a vector file from the client, but I will try and have a play with the PDF compression settings.

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Adobe Community Professional ,
Mar 28, 2018

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Another downside of text as an image on a white background is the default PDF export compression is Automatic JPEG. JPEG compression is going to produce compression artifacts that would be hidden in a typical picture, but could show in a white background like this. If I zoom in on your #1 screen capture I can see the artifacts:

Screen Shot 4.png

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Adobe Community Professional ,
Mar 28, 2018

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Hey Valerie

Thanks for sending me the full file. I've got to be honest in that your best bet here is to request a vector version of that logo. Scaling that down gives it an effective ppi of 2515 and what's going to happen is that the PDF preset you're using will resample colour images (it's an RGB file) too 300ppi for anything over 450pi by default. You can mitigate that by changing the downsampling method (in the compression category in the export dialog) to Do Not Downsample but this will apply to all images in the PDF, so you may end up with a slightly larger file (which may/may not matter to you, but I thought I'd mention it).

Hope that helps.

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New Here ,
Mar 28, 2018

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Thank you for all your help.

I will try adjusting those compression settings and send it to the printer, hopefully it will be OK!

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Community Beginner ,
Mar 13, 2020

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Try adjusting your compression setting in ID PDF export to match what I use.Screen Shot 2020-03-13 at 9.16.47 AM.png

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