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format file jpg

What is a jpg file and how do I open a jpg file?

JPG or JPEG, named after the Joint Photographic Experts Group, is a method of lossy compression which is the class of data encoding methods that uses inexact approximations (or partial data discarding) for representing the content which has been encoded. Such compression techniques are used to reduce amountsof data that would otherwise be needed to store, handle, and/or transmit the content. JPGs are ideal for digital photography that supports up to 24-bit colour. Many digital cameras save images as JPG files by default. It is a common format used to store and transmit digital graphics and photographic images on the Internet because its compression algorithm significantly reduces image file size. This means users can conveniently share their digital photos and favorite images by storing it in the .jpg format and transmitting it via the Internet or through email. Because of its small size, large collections of these JPG images are able to be stored in external data storage devices or on optical media. Several third party applications are integrated with a set of features for editing these JPG images. JPG supports a maximum image size of 65535×65535 pixels. JPG may not be well suited for line drawings and other textual or iconic graphics, where the sharp contrasts between adjacent pixels can cause noticeable artifacts.


Launch a JPG file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your JPG file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but JPG files aren't yet associated with the program or application. In this case, when you try to open a JPG file, you can instruct Windows which application is the correct one for this type file. From then on, opening a JPG file will open the correct application.

Mac OS
Recommended jpg file download:
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Corel AfterShot Pro 2
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Apple Preview
Detail jpg file extension information:
File Type: jpg
File Format: JPEG Image
Primary Association: Raster Graphics Files
Mime Type: application/jpg, application/x-jpg, image/jp_, image/jpeg, image/jpg, image/pipeg, image/pjpeg, image/vnd.swiftview-jpeg, image/x-xbitmap