OptiPNG vs RainViewer
A side-by-side look at OptiPNG and RainViewer. 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
RainViewer
News & Books
RainViewer is a free, ad-free weather radar app for Windows, macOS and Linux that displays animated radar imagery along with useful weather information. It has a clean interface and offers customizable maps and layers.
radarrainforecastmapsweather-information
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