Android icon Resizer.

When you want to develop android applications,you need images in different sizes for different device display densities. By using this script you can create all those at one single execution.Place the images and in a directory where you place the script and then run the script.You need to have image magic installed to work this script.

You can install Image Magic by,

sudo apt-get install imagemagick

Sometimes you may not have the permission to  execute the script.In that case use

chmod +X converter.sh

Then simply execute by,

sh converter.sh

The images are placed under relevant directories and you can replace them with the  to replace the directories which you will find under, res directory in an Android application.
Get the Shell Script From here.