macOS app for converting from JPG, JPEG and PNG to HEIF (HEIC)
With macOS 10.13 and iOS 11 Apple has introduced new file format for images called HEIF (High Efficiency Image File Format). Files has the same quality as old JPG but they are much smaller.
This converter app allows you to open JPG/JPEG/PNG/NEF/CR2 files on Mac and save them in HEIF (files are with .HEIC extension).
Download DMG: https://github.com/makoni/jpg-to-heif-converter/releases
Home page: https://spaceinbox.me/jpg-to-heif-converter