Quickly Change Resource Resolutions

Question

Are there any programs out there to upload a bunch of Android resources to and it will change the image's dimensions according to hdpi and mdpi? I have about 50 different pictures all in hdpi resolution and it would take forever to re-size them all by hand...

Answer 1

I use GIMP and its batch processing feature for resizing multiple files.
GIMP
Batch Process File using GIMP

Answer 2

Google provides an online service. Just upload the image, it will generate all the images with all folder & you can download it.

https://android-ui-utils.googlecode.com/hg/asset-studio/dist/index.html