iMazing HEIC Converter is a tiny and free desktop app that lets you convert Apple's new iOS 11 photos from HEIC to JPG or PNG. The program supports converting multiple files at once. All you need to do is drag and drop your HEIC files or entire folders of files into the application and enable the conversion into the desired format.
Icon Mask Maker (IMM) makes high definition Icon and transparent Mask to build Transparent Icons.
