Re: PNG vs. JPG - Which to Use?
- From: Steve Rindsberg <abuse@xxxxxxxxxxxxx>
- Date: Fri, 01 Sep 2006 23:30:08 EDT
In article <1157160296.152669.234060@xxxxxxxxxxxxxxxxxxxxxxxxxxx>, Rebecca
wrote:
I have always saved images as JPG files in Photoshop to bring into
PowerPoint - or TIF if I wanted to change transparency. In my pre-PC
days, I never used PNG files as they were not really an Apple thing.
Now I see that PNG is the more-preferred choice. Can anyone tell me
what the differences are between PNG and JPG (or TIF) and when I would
use one format over the other? Thanks!
The publishing industry runs on TIFF and EPS but MS Office products seem to
have an unending stream of weird little glitches with both of these formats.
I'd avoid both when you're working with PowerPoint.
PNG supports transparency nicely and offers reasonable size compression with
*no* loss in image quality.
JPG is a good choice when you're working with photo-type images (not text and
other "hard-edged" graphics). It generally offers more compression (and more
control over compression) than other formats; it's a trade-off. The more
compression, the lower the image quality.
-----------------------------------------
Steve Rindsberg, PPT MVP
PPT FAQ: www.pptfaq.com
PPTools: www.pptools.com
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