A utility that allows you to bring the image resolution to a multiple of 4 for compression to work correctly.
Only textures with width/height being multiple of 4 can be compressed to Crunch format.Advantages of this utility:The folder address can be entered manually or selected in the window;There is a switch when you do not need to use subfolders;There is a display of the progress of resizing images;The GPU is used to speed up the work.You can get the source code and other options for installing the utility on GitHub(Warning) Be careful with your data. The utility increases the size of images. Better make a backup of the data.ETC is a block-based texture compression format. The image is split up into 4x4 blocks, and each block is encoded using a fixed number of bits. You can get acquainted with the parameters on the Unity3D documentation, or read this post.
