
Step 2: Select File > Export from the menu bar in Preview. If you’ve changed your default app, you can open the image in Preview by right-clicking, moving to Open With, and selecting Preview. Step 1: If Preview is still your default image app, simply double-click the HEIC image and it will open in Preview. The app gives you a simple way to open an HEIC photo and convert it to JPEG. Preview is the default app on MacOS for viewing images, unless you change it of course. How to convert HEIC to JPEG on Mac using Preview So, you may hear the terms used interchangeably. In a nutshell, HEIC is what’s used to store HEIF photos and data. You may also hear about HEIF, which is High-Efficiency Image Format and also used by Apple. It became the “new” file type introduced with iOS 11 because of its smaller file size in comparison to JPEG. HEIC stands for High-Efficiency Image Codec, and as mentioned, it's used by Apple for storing photos and accompanying data on your device. Mac computer, HEIC image, Preview app, Photos app
