This online gif resizer can be used to change the dimension of an animated gif, just upload a gif, change the image size, then press the "Resize GIF" button to perform the conversion.
If you want to set a funny gif as your avatar or profile picture on a website like DA, but its size is too large, then you can resize it with this image resizer.
You can also crop, resize and optimize a gif, png or jpeg image at Resizeimage.net
