How to convert photos from heic into jpg?
Preview.app

Open the HEIC with Preview.app
File &gt; Export...
Format: JPEG

In batch:

Select all the desired HEIC files in Finder at once (using shift + click or dragging)
Right-click &gt; Open with &gt; Preview
Use shift + click (or dragging) in Preview to select all the files in the sidebar
File &gt; Export Selected Images...
Click options in the bottom-left of the dialog
Set the format to JPEG
Navigate to the location you want to save the new JPEGs
Click &quot;Choose&quot; in the bottom-right of the dialog

Command line (ImageMagick)
brew install imagemagick
convert IMG_1234.HEIC image.jpg

In batch:
for file in *.HEIC ; do convert &quot;$file&quot; &quot;${file%.HEIC}.jpg&quot; ; done