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Imagemagick
Uncategorized
Common options
| Option | Description |
|---|---|
-resize 100x40 | Resize to a dimension |
-crop 40x30+10+10 | (width)x(height)+(x)+y |
-crop 40x30-10-10 | (width)x(height)+(x)+y |
-flip | Vertical |
-flop | Horizontal |
-transpose | Flip vertical + rotate 90deg |
-transverse | Flip horizontal + rotate 270deg |
-trim | Trim image edges |
-rotate 90 | Rotate 90 degrees |
Resize to fit
convert input.jpg -resize 80x80^ -gravity center -extent 80x80 icon.png
Convert all images to another format
mogrify -format jpg -quality 85 *.png
Make a pdf
convert *.jpg hello.pdf