JPEG (Joint Photographic Experts Group) is a commonly used image format for digital photography. JPEG files are compressed to reduce file size, making them more manageable for storing and sharing.

JPEG compression works by analyzing an image and selectively discarding information that is unlikely to be noticed by the human eye. The degree of compression can be adjusted, with higher compression resulting in smaller file sizes but also reduced image quality.

One of the main advantages of JPEGs is their compatibility with a wide range of software and devices, making them a popular choice for digital photography. They are also capable of displaying a wide range of colors and levels of detail, which makes them suitable for a variety of photographic applications.

However, there are some drawbacks to using JPEGs. Because of the compression process, some quality is lost in the image, which can be noticeable in certain situations. Additionally, the compression can cause artifacts, such as blurring or jagged edges, especially in areas of high contrast.

Overall, JPEGs are a versatile and widely-used format for digital photography, offering a good balance between file size and image quality. When choosing between different image formats, it’s important to consider the intended use of the image and the degree of compression that will be necessary to achieve the desired file size.