What is Any Image to Image?:
This is a suite of lightweight executables designed to streamline the process of converting image files—including batch processing—into your preferred format.
Operating them is straightforward: within your portable folder or installation directory, you will find several executables named according to their function, such as to_png or to_jpg, which denote the target format.
To use them, simply drag and drop one or multiple files from anywhere on your PC directly onto the desired executable. The program will then run silently in the background to convert your files to the format specified by the executable's name.