{{tag>info-tech:software:command}}

====== ImageMagick ======

ImageMagick is a command-line tool for processing image files.

This tool is not suitable for processing RAW images; [[study:info-tech:software:darktable]] is recommended instead.

===== Install =====

^environment^command^
|archlinux|''pacman -S imagemagick''|
|mingw-w64|''pacman -S mingw-w64-i686-imagemagick''|
|brew on mac|''brew install imagemagick''|

==== additional libraries ====

Please note that you must also install libraries to handle specific image formats.

^format^required library^
|webp|libwebp|

===== Command =====

==== convert ====

<code bash>convert src.png [options] dst.jpg  # output format is recognized by an extension</code>

^option^target format^description^
|-auto-orient|*|Rotates the raw image according to the metadata orientation, and removes the orientation tag.|
|-resize X%|*|Resize the image by the specified percentage.|
|-strip|*|Removes any metadata.|
|-define webp:method=N|webp|Quality of webp format(1~6).\\ A higher value results in stronger compression and lower quality.|

===== Command Examples =====

==== Compress into webp for blogs ====

<code bash>convert $i -define webp:method=6 -resize 15% -auto-orient -strip ${i%.jpg}.webp</code>