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What is a high resolution JPEG?

Updated June 27, 2017

A high-resolution JPEG is a graphics file format that compresses more data into available pixels providing an image with less loss. This JPEG image format works best with photographs and detail-filled artist renderings, because it preserves more of the original work.

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The size of a high-resolution JPEG depends on the file's creator. The more detailed and sharp the image, the larger the file will be, from a couple of megabytes (MB) to several thousand.


High-resolution JPEG files are used to store large images in a way that prevents too much leaking, or loss, of image details. The format is used by print publications, which have a minimum requirement of 300 dpi.


Although you can take a high-resolution JPEG image and resize it into a lower resolution, you can't take a lower resolution file and get a high-resolution JPEG image; once the extra information is lost, it can't be restored without the original image.


Many graphics programs are available to manipulate the resolution and size of JPEGs and other images; these include Adobe Photoshop and GIMP.


While the high-resolution format is excellent for preserving photos, the large size can be a problem when emailing, because some email services limit attachment size.

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About the Author

Beth Bartlett

Beth Bartlett has been freelance writing for nine years, and her work has appeared in such publications as "Meetings South," "Angels on Earth," "American Profile," and "Mental Floss." She also writes a weekly humor horoscope column for print and the Web.

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