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Image Problems

Hemulen52
Registered: Jun 5 2009
Posts: 3

I'm new to Acrobat and trying to create a .pdf of several images. For the life of me, I can't figure out how to make the imported images retain their size/resolution (I'm not sure what's the culprit). The .pdf is meant to be composed of five .pngs, 1024x683, saved at 72 DPI, but the images, when viewed at 100% in the created .pdf, are resized and antialiased. Pixels matter, so I'm trying to figure out how to make the original images appear pixel-perfect as they were created.

Thanks in advance for any help!

My Product Information:
Acrobat Standard 9.1.1, Windows
daka630
Expert
Registered: Mar 1 2007
Posts: 1420
Hi,
Something to try.

With Acrobat open, access Preferences.
Select the category "Convert To PDF".
Scroll through the "Converting To PDF" list.
Select PNG.
Click on the "Edit Settings..." button.
Play with the "Adobe PDF Settings" for Compression (Monochrome - Grayscale - Color) and
the Color Management.

The default settings for Grayscale and Color compression are JPEG (Quality : Medium).
So, out of the gate, a PNG brought into PDF will have a measure of lossy compression
(destructive removal of pixels via downsampling).

Be well...

Be well...

Hemulen52
Registered: Jun 5 2009
Posts: 3
Thanks for the tip. For whatever reason the image scaling stuff was happening because I chose to create a portfolio - when I just made a .pdf manually and added files that way the resolution of the images was preserved. At least it's solved now.

Thank you again!