Use an online HEIC converter to convert compatible files to and from HEIC (High-Efficiency Image Container) format. A HEIC file is indicated as a container format of HEIF (High-Efficiency Image Format) that compresses photos in order to save space. You can upload .heic image format into HEIC file converter to perform HEIC file conversions to another format. However, the .heic file format is mostly used to store photos on iOS devices. Moreover, it is packed with a single image or even the sequence of images created by an iPhone or iPad’s Camera app, also the metadata describing individual images. The upside is that this free heic converter does not compromise on the quality of the image while performing heic photo conversions.