GraphicsMagick Share Help Try It

Commandline tools for manipulating, editing, and converting raster & vector images

Category

Image

License

open source

Platforms

Windows macOS Linux

Released

2002

Path

c:\GraphicsMagick\gm.exe

Benefits

Supports over 88 image formats.

Notes

GraphicsMagick is originally derived from ImageMagick 5.5.2

Used by

Etsy

Examples

gm.exe convert -density 288 -geometry 25% d:\myPDF.pdf[0] d:\myPDF_thumb.jpg

gm.exe convert -fuzz 80% -trim -quality 80 +repage d:\image.jpg d:\output_noborder.jpg

gm.exe time mogrify -colorspace rgb -strip -filter Lanczos -density 72x72 -size 620x414 -thumbnail "620x414^" -gravity Center -extent 620x414 -interlace Line -quality 75 "*.jpg"

gm.exe convert -colorspace rgb -strip -filter Lanczos -auto-orient -density 72x72 -size 350x350 "jpg:c:\input.jpg" -thumbnail "350x350^" -gravity Center -extent 350x350 -interlace Line -quality 75 +profile "*" "d:\output_thumb.jpg"

gm.exe convert c:\input.jpg define webp:use-sharp-yuv=true c:\output.webp

gm.exe montage -geometry 120x120 -tile 4x3 -bordercolor black d:\1.jpg d:\2.JPG d:\3.JPG d:\4.JPG d:\5.jpg d:\6.png d:\7.png d:\output_montage.jpg

gm.exe convert -colorspace rgb -rotate 45 -scale 50% d:\input.jpg d:\output_rotated.jpg

gm.exe convert -thumbnail 200x200 -background "#fff" -gravity center -extent 200x200 -delay 75 -colorspace rgb -colors 32 -dither -dispose 1 -loop 0 d:\1.jpg d:\2.JPG d:\3.JPG d:\4.JPG d:\output_animated.gif

gm.exe montage +adjoin -compress JPEG +frame +shadow -font Arial -pointsize 15 -tile 4x1 -label %t -geometry 350x350+4+8> -title "Sample Contact Sheet" c:\1.jpg c:\2.JPG c:\3.JPG c:\4.JPG c:\5.jpg c:\6.png c:\7.png c:\8.png c:\output_contactsheet_%02d.jpg

gm.exe convert -colorspace rgb -define jpeg:optimize-coding=1 c:\input.jpg -colors 20 -resize "42x42>" -blur 4 -strip -density 72x72 +profile "*" d:\output_preview.jpg

gm.exe convert c:\input.jpg +dither -profile c:\AdobeRGB1998.icc -strip -colorspace RGB -depth 8 -colors 8 c:\output_8bit.png

gm.exe convert c:\input.jpg -colorspace gray -resize 200x d:\output_gray.jpg

gm.exe convert c:\input.jpg -fuzz 3% -transparent "#050608" -transparent "#000000" d:\output_transparent.png

Try it

• Identify (compact)
  Run 'gm identify' to print one summary line per image: filename, format, geometry, depth, colorspace, file size.
• Identify (verbose)
  Run 'gm identify -verbose' for the full image breakdown: histogram, channel statistics, embedded profiles, and chunk-level details.
• Generate a 256px thumbnail (PNG)
  Run 'gm convert -thumbnail 256x256' against the selected image to produce a quick-quality 256-pixel thumbnail. Returns the generated PNG for inline preview or download.

Agree to terms to run demos.

# GraphicsMagick - Help

Source: http://www.graphicsmagick.org/

```
GraphicsMagick 1.3.45 2024-08-27 Q8 http://www.GraphicsMagick.org/
Copyright (C) 2002-2024 GraphicsMagick Group.
Additional copyrights and licenses apply to this software.
See http://www.GraphicsMagick.org/www/Copyright.html for details.
Usage: C:\CFusionExtra\GraphicsMagick\gm.exe help command [options ...]

Where commands include:
      batch - issue multiple commands in interactive or batch mode
  benchmark - benchmark one of the other commands
    compare - compare two images
  composite - composite images together
    conjure - execute a Magick Scripting Language (MSL) XML script
    convert - convert an image or sequence of images
       help - obtain usage message for named command
   identify - describe an image or image sequence
    mogrify - transform an image or sequence of images
    montage - create a composite image (in a grid) from separate images
       time - time one of the other commands
    version - obtain release version
   register - register this application as the source of messages
```