Practice makes perfect Practice makes perfect

convert

• Reduce a scanned pdf file

  Computer/linux 2020. 6. 5. 14:20

  convert -density 300x300 -quality 60 -compress jpeg in.pdf out.pdf One can adjust density in order to increase or decrease the output file size.

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• create a thumbnail by command line

  Computer/linux 2011. 9. 27. 23:45

  imagemagick can do almost everything ..... convert -thumbnail widthxheight a.png a.thumbnail.png convert -thumbnail 120 a.png a.thumb.png (width 120px) convert -thumbnail 120x120 a.png a.thumb.png (width/height 120px) convert -thumbnail x120 a.png a.thumb.png (height 120px)

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