By installing a system-wide WebP WIC codec, you can often force legacy ACDSee versions to recognize the file format. Follow these steps to implement this workaround:
As WebP becomes the standard image format for web optimization due to its superior compression and quality, many users of legacy photo editing software face a common hurdle: compatibility. If you are using an older version of ACDSee (such as ACDSee Pro 9, Ultimate 9, or earlier), you may have noticed that the software cannot natively open, edit, or save WebP files. acdsee webp plugin
If you need to send photos to a client or printing service that doesn't accept WebP: Select your WebP files in ACDSee. Open the tool. Choose JPG or TIFF as your destination format. By installing a system-wide WebP WIC codec, you
ACDSee relies on a system of internal plug-ins (usually .apl files) to decode various image formats. Because WebP gained mainstream popularity after versions like ACDSee Pro 8, 9, or early Ultimate editions were released, these legacy programs lack the native code required to read the format. If you need to send photos to a
How to View and Edit WebP Images in ACDSee: The Ultimate Guide to WebP Plugins and Compatibility
If you've downloaded a image—the modern, compressed format Google created—and tried opening it in an older version of ACDSee, you may have seen a blank thumbnail or an "unsupported format" error.
WebP files are generally 25–35% smaller than JPEG at equivalent quality.