If you find PNG images occupy too much space, Grab allows you to change the default file format to JPG, TIFF, GIF, PDF formats, etc. By default, Grab saves screenshots in the PNG image file format. It has several screen-capture modes, and keyboard shortcuts are also supported by it. Grab is a Mac Snipping Tool alternative that can help you take screenshots of your screen and save them as image files.
Enhance screenshots with annotation function.Capture both the entire screen or an area.You can use CloudApp on the web or download it to your Mac. With CloudApp, users can save up to 1 minute and 30 seconds each time they capture an image. In addition, it offers users a menu bar and keyboard shortcuts, helping you capture your entire screen, parts, and app windows as you like. CloudApp is another snipping tool for Mac featured with an annotation function.