Convert Image Formats Directly in the Finder

Three sticky notes labeled PNG (pink), JPG (green), and HEIC (yellow) are arranged in a circle on a blackboard, with white arrows showing a cycle between the different image file formats.

If you need to convert images to JPEG, PNG, or (unlikely) HEIF, try this hidden Finder feature: Control-click an image in one of those formats or other common image formats […]