OptiPNG vs xxdiff
A side-by-side look at OptiPNG and xxdiff. 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.
pngoptimizercompressiontransparency
xxdiff
Development
xxdiff is an open source visual file and directory comparison tool for Linux/Unix systems. It compares two files or directories side-by-side and highlights the differences in color, allowing you to easily see changed, added, or removed lines. It is useful for comparing revisions of text files like source code.
diffcompareversion-control
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