3/12/2023 0 Comments Resize image mac for twitterI usually use Lanczos2 (2-lobe Lanczos), which makes images less sharp than Lanczos ( Lanczos3 or 3-lobe Lanczos). Triangle is similar to the resizing methods used by Automator and sips. The default filter for downscaling images is Triangle, which often makes images look too blurry without additional sharpening in my opinion. # use a white instead of a black backgroundĬonvert transparent-bg.png -flatten white-bg.jpg # make images smaller or larger and crop them so that they are exactly 200x200 pixels Mogrify -filter lanczos2 -thumbnail 'x500>' -format jpg -quality 93 -path ~/Desktop/ *.png # save thumbnails to ~/Desktop and make images wider than 500 pixels smaller Mogrify -filter lanczos2 -resize '1280x1280>' *.png More examples: # modify images in place and make images larger than 1280x1280 pixels smaller Or install ImageMagick with brew install imagemagick or sudo port install imagemagick and use something like this: for f in *.png do convert $f -filter lanczos2 -resize 圆0 -quality 93 $jpg done You can also batch-resize images from Preview:
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