Taking screenshots is one of the easiest ways to demonstrate a point or highlight a bug when using a computer, and for many people, the standard functionality their operating system provides is more than sufficient. Understandably, others yearn for more features, such as being able to edit screenshots or preview them without having to open Paint, or even being able to take a screenshot with the exact same dimensions again.

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MWSnap – a Free Screen Capture Tool and Editor for Windows (Make Tech Easier)