EPS is short for Encapsulated PostScript. PostScript is a page-description language developed by Adobe and used by many printers. The EPS format can contain both vector and raster graphics. EPSs tend to create larger file sizes and do not have a built-in compression scheme like JPEGs or TIFFs. EPS is the recommended file format for creating color separations for high-end, four-color print jobs. This is also the file format to use for images with clipping paths and those with a Duotone color mode. In addition to duotones, EPS supports Lab Color, CMYK, RGB, Indexed Color, Grayscale, DCS, and Bitmap modes. It does not support alpha channels. Finally, EPS is the format of choice for importing to and from drawing programs such as Illustrator, FreeHand, and CorelDraw.
Here are the options when saving in the EPS format:
-->Preview: If you import your EPS into another application, this option provides a lowresolution image for you to view. I recommend choosing 8-bit TIFF, which works on both PC and Mac.
-->Encoding: This option specifies the way an image is sent to the PostScript printer. Choose Binary if you can; it produces smaller files and keeps all original data. If you’re having printing problems, choose ASCII. JPEG compresses the file, but discards data and may cause color-separation problems. Avoid it if possible.
-->Include Halftone Screen and Include Transfer Function: Use these options for offset print jobs. Leave these options to the service-bureau or commercial-printing experts.
-->Transparent Whites: If your image is in Bitmap color mode, this option allows white areas to appear transparent.
-->PostScript Color Management: This option converts the file’s color data to the printer’s color space. I do not recommend selecting this option if you are importing your image into a document that is color managed.
-->Include Vector Data: When selected, this option preserves any vector graphics, such as type and shapes. However, it is preserved only when you import the file into another program. If you reopen the EPS in Photoshop, however, your vector data is rasterized.
-->Image Interpolation: This option anti-aliases (softens the edges) of low-resolution images when printed.
Here are the options when saving in the EPS format:
-->Preview: If you import your EPS into another application, this option provides a lowresolution image for you to view. I recommend choosing 8-bit TIFF, which works on both PC and Mac.
-->Encoding: This option specifies the way an image is sent to the PostScript printer. Choose Binary if you can; it produces smaller files and keeps all original data. If you’re having printing problems, choose ASCII. JPEG compresses the file, but discards data and may cause color-separation problems. Avoid it if possible.
-->Include Halftone Screen and Include Transfer Function: Use these options for offset print jobs. Leave these options to the service-bureau or commercial-printing experts.
-->Transparent Whites: If your image is in Bitmap color mode, this option allows white areas to appear transparent.
-->PostScript Color Management: This option converts the file’s color data to the printer’s color space. I do not recommend selecting this option if you are importing your image into a document that is color managed.
-->Include Vector Data: When selected, this option preserves any vector graphics, such as type and shapes. However, it is preserved only when you import the file into another program. If you reopen the EPS in Photoshop, however, your vector data is rasterized.
-->Image Interpolation: This option anti-aliases (softens the edges) of low-resolution images when printed.
EPS Format in Photoshop
![EPS Format in Photoshop]()
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