Caesium Image Compressor vs OptiPNG
A side-by-side look at Caesium Image Compressor and OptiPNG. For an in-depth review of either product, follow the links below.
Caesium Image Compressor
Photos & Graphics
Caesium is a free, open source image compression software for Windows, Mac and Linux. It allows lossless compression of PNG and JPEG files with compression ratios up to 83% smaller than the originals.
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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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