A free program for Android, by Sybu Apps.
Photo/Image Resizer - Compressor is a handy utility to resize photos in a few seconds. It offers several options for users to choose from, like percentage reduction, specific sizes, and an automatic mode. All you need to do is select a picture and choose the options you want. The output image will then be saved in a folder called /Resized Images.
This app is extremely simple and easy to use. There is no need to install anything else. The entire process is as simple as a few clicks. There are a lot of settings you can adjust, like the quality level, aspect ratio, etc.
