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Tip: Alter the speed of animation
To set teh the animation speed use
convert input.gif -delay 200 output.gif
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convert input.gif -loop 999 output.gif
NOTE: Some time Sometimes Powerpoint requires extra settings for continuous looping of GIFs. Go to the "video tools" menu, which contains "format" and "playback". Under the playback menu, there is a button "Loop until stopped". Click on it, to allow continuous loops! (Thanks to Jean-Noël for this)
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