HEIC to JPG online converter HEIC to JPG online converter is the most efficient free tool for format conversion. Straight forward design with clear instructions is here to help you convert your HEIC files in JPG format in the fastest way possible. HEIC vs JPG The main reason for using the HEIC (HEIF) format is the storage size. In comparison with the JPG format, HEIC can guarantee image quality and file size reduced in half thanks to the superior compression algorithm. What is HEIC file? HEIC is an innovative file format developed by The Moving Picture Experts Group in 2015. It is also known as HEIF format, and it stands for High-Efficiency Image Format/Container. As its name suggests, its purpose is storing images and animations. With the support of 16-bit color depth, HEIC can also provide a rich color palette and high-grade image. This is the image file format you'll get after taking photos with different Apple devices. The great thing about HEIC file format is, at least according to creators of this file format, that it can keep twice as many pieces of information as JPG in the same amount of storage space. You'll probably won't be able to open it on your Windows computer unless you convert HEIC to JPG.