What is .IRS file extension?
.IRS file extension is a known file type. This section tells you everything you need to know about this extension.
Settings file created by Adobe Photoshop and Illustrator; contains settings for the "Save for Web" dialog; stores the image format (GIF, JPEG, PNG-8, PNG-24, or WBMP), quality, size, and other optimization options; enables Web designers to save multiple images that have the same formatting and quality specifications.
You can open the Save for Web dialog in Photoshop CS5 by selecting File ? Save for Web & Devices.... Photoshop includes several preinstalled IRS files in the /Presets/Optimized Settings/ directory.
You can see a list of software programs below that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.