Reduce image size

Sometimes, you need to fill an application form, but the size of your image is

too large, as per the mentioned size on the application. So, you can use imagemagick

utility of ubuntu, and get the desired size for your image.

To reduce the image size, you can run either of the below command.

$ convert  -resize 50% source.png dest.jpg and 

$ convert  -resize 1024X768  source.png dest.jpg