Since iOS 11, iPhones save pictures in HEIC file format by default setting. HEIC — Apple's HEIC format — is technically impressive: it generates pictures with roughly half the storage of similar JPEGs maintaining high photo quality.
However there is a major catch. HEIC is an Apple-centric file type not broadly compatible outside the Apple ecosystem. PC users, Android phones and many websites cannot open HEIC photos with no extra apps.
Converting HEIC to JPG is the critical process that makes iPhone images compatible everywhere. Common scenarios read more needing conversion are sending iPhone photos to non-Apple users, adding images to websites incompatible with HEIC.
People with Macs have the easiest method. Open the HEIC photo in Preview, go to File, then Export and pick JPEG as the output format.
Windows PC users, web-based converters handle HEIC to JPG conversion requiring no downloads. Select the HEIC image and get the converted JPG.
Use alljpgconverters.com offering a completely free online HEIC to JPG solution without download required.