How to tell an 8-bit indexed PNG from a 24 bit RGB PNG

Started by goofy166, March 08, 2018, 02:07:52 PM

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goofy166

March 08, 2018, 02:07:52 PM
Is there a way to use ExifTool from the command line to determine the bit depth of a PNG?
I am using Photoshop to do this and it seems to give me contradictory results. Specifically I am using the Photoshop File->File Info menu.

Thanks

Mitch

Phil Harvey

#1
March 08, 2018, 02:19:05 PM
Try running ExifTool on the file.

- Phil
...where DIR is the name of a directory/folder containing the images.  On Mac/Linux/PowerShell, use single quotes (') instead of double quotes (") around arguments containing a dollar sign ($).

goofy166

#2
March 08, 2018, 06:58:12 PM
Try running ExifTool on the file.

- Phil

HAHA very funny. It can't be that easy. Are you saying I just go C:>EXIFTOOL MYFILE.PNG

Mitch

Phil Harvey

#3
March 09, 2018, 10:58:48 AM
Yes.
...where DIR is the name of a directory/folder containing the images.  On Mac/Linux/PowerShell, use single quotes (') instead of double quotes (") around arguments containing a dollar sign ($).
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