There are online sites that allow you to do this, but its annoying since they dont support gifs in batches.
I read some tutorials online and some said that GIMP can do this with some plugins, and photoshop can, but all those are too complicated ways for me.
Anyone know a simple program or way to do this? Irfanview can do it but the animation gets lost.
Thanks guys!
PS I mainly need this for mobile ads since its annoying when I get something that is 300x50 and when i need it to be 320 x 50 or something
I dont know how to batch update in photoshop, however to resize an animated banner really isn't that hard. Just drag it into photoshop & it will load each frame as a new layer. Select all, image size, change to your desired banner size. Window > animation, add the layers & set the delay. Thats seriously 30 seconds work after you do it a few times.
I know its really annoying having to do them all manually but after a while you can pump em out quickly.
interesting request...i might add something like this to crazyctr.
This works for me.
http://www.multyshades.com/2011/03/h...-in-photoshop/
Kudos for the great little post their mate!

If you're on mac you can simply use the preview app, select all --> open in preview ---> cmd + A ---> tools --> change size
Does that actually resize the animation @szmudo?