How to Reduce the Size of a Photo for Email

Reducing the size of digital photos before they are emailed is essential. Extremely large photos can take a long time to load, cause an email transmission to fail, overload or slow down Internet connections and fill both outboxes and in-boxes, which can temporary suspend activity on the account. Learning to re-size digital photographs, which now reach sizes of 12 or 15 megabytes on consumer-level cameras, is a necessary skill for digital photographers of any age.

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Emailing digital photos is a great alternative to film pictures.

Step

Open the photograph using any software viewing or editing program, such as iPhoto, Preview, Microsoft Paint, Microsoft Photo Viewer or IrfanView. Select the individual photo you wish to re-size, or select multiple photographs using the "Select All" button.

Step

Open the tab marked "tools" or "edit" and select the "resize/reshape" function. Check the box marked "retain aspect ratios." This will keep your photograph from being distorted during the resizing process, and will automatically match the opposing photo dimensions to the dimensions you re-size.

Step

Adjust the dimensions to about 1,000 pixels on the longer side, or a length of 6 inches. For optimal email performance, make your individual pictures smaller than 100 Kb, and never higher than 1 Mb, as this can adversely affect your message reliability.

Step

Save the photograph using a new name if you wish to retain a copy of the photograph in both the original size and the new, smaller size. To replace the original photograph, simply save over it using the same name and it will be changed to the smaller size.