A DIB (Device Independent Bitmap) file is a raster image file that is similar in structure to the standard Bitmap files (BMP) but has a different header. It can be opened with almost all applications that can open a standard BMP file on Windows as well as macOS. DIB are binary files and have a complex file format similar to BMP
An SVGZ file is a Scalable Vector Graphics (.SVG) file compressed with gzip compression. It contains graphics data in an XML format and supports graphical elements including transparency, gradients, animations, and filters.