I just checked on the internet and then tested it.  You can use imagemagick with a command like:

    convert -delay 1x30 original.gif new gif

the 1x30 is for 1/30th of a second.  You can use things like 10x100 or whatever to get the speed you want.


On 11/13/21 8:38 PM, Joe Hourclé wrote:
I don’t think I’ve created an animated GIF in almost 20 years, so don’t 
remember what I used back then.

But I know ImageMagick will let you make them, and it’s free.  I just don’t 
know if it will let you extract the individual frames and/or modify an existing 
GIFa.

-Joe

Sent from a mobile device with a crappy on screen keyboard and obnoxious 
"autocorrect"

On Nov 13, 2021, at 1:02 PM, charles meyer <reachmepl...@gmail.com> wrote:

Hi my esteemed listmates,

I understand GIF is considered by many an antiquated and/or non preferred
format.

But, I can't open a GIF created by a trusted source with W10 Windows Media
Player.

I can open it in Irfanview but is there a way in Irfaview to slow the GIF
down?

If not, has anyone used any free, downloadable GIF viewers which enable you
to slow a GIF down?

Thank you.

Charles.
--
*Tim McMahon*
West Liberty Public Library

319-627-2084

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