With transparency and the ability to store more than one image, HEIC files can also contain 16-bit colors, whereas JPG files can only support 8-bit. The lossy compressed HEIC format is based on HEVC (High-Efficiency Video Compression), also developed by MPEG. Most image capture devices (such as digital cameras) that output JPG creates files in the Exif format, the camera industry standardized for metadata interchange. Image files that employ JPG compression are commonly called "JPG files" and are stored in variants of the JIF image format. Furthermore, it stores information about image editing like rotation and cropping, which enables the user to revert the changes later on. Furthermore, HEIC files can contain several images which fit Apple's "Live Photo" functionality. As a result, it's smaller in size with comparable quality while also supporting transparency. Being the new default or standard image format for iOS 11 devices, HEIC was designed to replace the JPG format. The HEIC format was developed by MPEG (Moving Picture Experts Group), otherwise known for video and audio formats such as MP3 or MP4. It is also known under the acronym of HEIF, which stands for High-Efficiency Image Format. HEIC is the new standard image format introduced by Apple with its 2017 update from iOS 10 to iOS 11. JPG typically achieves 10:1 compression with little perceptible loss in image quality.
The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPG is a commonly used method of lossy compression for digital images, particularly those produced by digital photography.
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