iStockphoto - Stock Photographer Training Manual

4.0 - Image Requirements

Image Size: iStock accepts files 1600 x 1200 pixels or larger. Any file smaller than 1600 x 1200 pixels will be declined. As a rule for image sizes, the bigger the better. iStock will not accept files that have been up-sampled / rezzed up, (increasing the size / dpi to be larger than that of the original file size).

File Formats:

Image: iStock accepts RGB, JPG files only. TIF's, PNG's, PSD's will be declined. CMYK images will also be declined.

Vector / Illustration: When uploading Vector files, one (max) 270x270 preview/thumbnail JPG is required. The source file for Vector/Illustration files must be a zipped EPS or AI file.

Flash: zipped SWF & FLA


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