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Ultra Grayscale Converter is a freeware utility that converts your images to grayscale fast, using different algorithms. It is a windows application and it runs on both 32bit and 64bit systems. Ultra Grayscale Converter is portable which means you don’t have to install anything, just download it, extract its content and run it. In this way you can put it in your USB drive and use it anywhere. It runs on every system that has .NET Framework 4.5 including Windows 8.1.

How to use Ultra Grayscale Converter:
Open image: There are two ways to open an image, one is with the Open image… button and the other to simply drag and drop the image to Ultra Grayscale Converter’s workspace.
Save image: Select the result you want, click Save image… button and choose the location, the name and the type of image you want to save.
Clear workspace: Press Clear button to clear the workspace and free system resources.
View program info: Press About button to view program information like version number.