ImageMagick Convert Command-line Tool

Use the convert program to convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more. See Command Line Processing for advice on how to structure your convert command or see below for example usages of the command.

Example Usage

We list a few examples of the convert command here to illustrate its usefulness and ease of use. To get started, lets convert an image in the JPEG format to PNG:

@@ -198,7 +243,7 @@

You can combine multiple image-processing operations to produce complex results:

$magick> convert -size 320x85 xc:transparent -font Bookman-DemiItalic -pointsize 72 \
+

$magick> convert -size 320x85 canvas:none -font Bookman-DemiItalic -pointsize 72 \
-draw "text 25,60 'Magick'" -channel RGBA -blur 0x6 -fill darkred -stroke magenta \
-draw "text 20,55 'Magick'" fuzzy-magick.png

@@ -209,7 +254,7 @@

Option Summary

The convert command recognizes these options. Click on an option to get more details about how that option works.

@@ -542,6 +587,11 @@ transparent, extract, background, or shape the alpha channel annotate the image with a graphic primitive + + -duplicate count,indexes + duplicate an image one or more times + + -edge radius apply a filter to detect edges in the image @@ -807,6 +857,11 @@ transparent, extract, background, or shape the alpha channel apply a median filter to the image + + -mode radius + make each pixel the 'predominant color' of the neighborhood + + -modulate value vary the brightness, saturation, and hue @@ -1087,6 +1142,11 @@ transparent, extract, background, or shape the alpha channel increase the contrast without saturating highlights or shadows + + -smush offset + smush an image sequence together + + -size geometry width and height of image @@ -1112,6 +1172,11 @@ transparent, extract, background, or shape the alpha channel displace image pixels by a random amount + + -statistic type geometry + replace each pixel with corresponding statistic from the neighborhood + + -strip strip image of all profiles and comments @@ -1313,7 +1378,7 @@ transparent, extract, background, or shape the alpha channel