Quick definition
HEIC is a high-efficiency photo format used by many iPhones and Apple devices.
Best use cases
Saving storage space on Apple devices while keeping good image quality.
What to watch out for
Many Windows apps, websites, and upload portals still prefer JPG.
Related converters
Conversion tip
Keep the original file, create a converted copy, then compare file size, quality, and compatibility before deleting or uploading the result.