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How to compress images for email mac3/10/2023 ![]() ![]() ![]() What this does is reduce the chroma channel's resolution to half, without messing with the luminance resolution that your eyes latch onto. If you dislike blurring, use -sampling-factor 4:2:0 instead. Or in the newer version: magick source.jpg -strip -interlace Plane -gaussian-blur 0.05 -quality 85% result.jpgįrom in the comments (Don't forget to upvote him if you like this): In imagemagick should be convert -strip -interlace Plane -gaussian-blur 0.05 -quality 85% source.jpg result.jpg a very tiny gausssian blur to optimize the size (0.05 or 0.5 of radius) depends on the quality and size of the picture, this notably optimizes the size of the jpeg.
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