Dpi Resizer is a free Android application developed by Arnaud Guyon that helps developers resize images to all densities from ldpi to xxxhdpi. The app is designed to make it easy for developers to convert picture resources (PNG or JPG) to different sizes. With this app, you can easily select a picture from your phone and choose a size to export it.

The app is simple to use and provides a quick solution for developers who need to resize their images. It is a handy tool for developers who want to save time and effort in resizing images manually. The app is available for free and can be downloaded from the Google Play Store.