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TIFF is the right thing to save for archiving I think. Both JPG and PDF should be considered lossy, though if saved with maximum qualities are also basically lossless. The issue of color management becomes a little murkier with PNG and PDF. Some programs will ignore the color profiles attached and assume the color space is sRGB.

Britt

From: SciArt-L Discussion List-for Natural Science Illustration- <[log in to unmask]> on behalf of Kathleen Garness <[log in to unmask]>
Reply-To: SciArt-L Discussion List-for Natural Science Illustration- <[log in to unmask]>
Date: Wednesday, August 19, 2020 at 1:14 PM
To: "[log in to unmask]" <[log in to unmask]>
Subject: [EXTERNAL] Re: [SCIART] website image format

So I’m curious the differences between resolution/workability between JPG, PNG, and TIFF. I usually save everything as a tiff before I send it on to become a PDF or something.

Thanks,

Kathy


On Aug 19, 2020, at 11:41 AM, Mieke Roth <[log in to unmask]<mailto:[log in to unmask]>> wrote:

Hi Marjorie,

It all depends. Most of the time I use jpeg for almost everything. The only time I use png is when I need a transparent background. Png can be set on different levels, 8-bit (if I remember correctly, I’m not behind my pc) is usually enough and most of the time as small as a jpeg.

Mieke

Mieke Roth
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Van: SciArt-L Discussion List-for Natural Science Illustration- <[log in to unmask]<mailto:[log in to unmask]>> namens Marjorie Leggitt <[log in to unmask]<mailto:[log in to unmask]>>
Verzonden: woensdag, augustus 19, 2020 6:33 PM
Aan: [log in to unmask]<mailto:[log in to unmask]>
Onderwerp: [SCIART] website image format

Hi all.

I’m working on my new website and am wondering which format to use for graphics (artwork) and photos - JPG or PNG. I understand that PNG is a lossless compression format and so are much larger. I’ve read that .jpeg should be used with photos and .png for graphics. Is this a good rule of thumb?

Thanks in advance for any advice.

Marj
Leggitt Design
303.394.0566
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