OptiPNG vs Windows Photo Viewer
A side-by-side look at OptiPNG and Windows Photo Viewer. For an in-depth review of either product, follow the links below.
OptiPNG
Photos & Graphics
OptiPNG is an open-source PNG optimizer that reduces the file size of PNG images while preserving transparency. It works by applying lossless compression and interpolation methods.
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Windows Photo Viewer
Photos & Graphics
Windows Photo Viewer is the default image viewer included with Windows operating systems. It provides basic photo viewing functionality like zooming, rotating, and basic editing.
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