Ubuntu – how can I resize an animated GIF file using ImageMagick

imagemagick

I want to resize such an animated GIF file do.gif enter image description here

If I do convert do.gif -resize 24x24\! do-24.gif I get it resized in do-24.gif but not animated enter image description here

How to resize it right way to get the same animation?

first run:

convert do.gif -coalesce temporary.gif

then

convert -size <original size> temporary.gif -resize 24x24 smaller.gif

You can just create a new GIF (here, animation.gif) from pic*.jpg.

Animating with a delay between frames of 0 and a back-and-forth that repeats for ever can be done with:

convert pic*.jpg -set delay 10 -reverse pic*.jpg -set delay 10 -loop 0 animation.gif

(assuming your jpgs are arranged in alphanumeric order).

Try

mogrify -resize '1280x1024>' *.jpg

Do make sure to back up though.