CmdID

CmdID / Commands

magick-convert

Convert between image formats, scale, join, and create images, and much more. tldr-pages

On several platforms

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Several platforms

from tldr-pages, CC BY 4.0

Convert between image formats, scale, join, and create images, and much more. Note: This tool (previously convert) has been replaced by magick in ImageMagick 7+.

Convert an image from JPEG to PNG

magick convert path/to/input_image.jpg path/to/output_image.pngIdentify

Scale an image to 50% of its original size

magick convert path/to/input_image.png -resize 50% path/to/output_image.pngIdentify

Scale an image keeping the original aspect ratio to a maximum dimension of 640x480

magick convert path/to/input_image.png -resize 640x480 path/to/output_image.pngIdentify

Scale an image to have a specified file size

magick convert path/to/input_image.png -define jpeg:extent=512kb path/to/output_image.jpgIdentify

Vertically/horizontally append images and have the empty space be transparent

magick convert -background none path/to/image1.png path/to/image2.png ... -append path/to/output_image.pngIdentify

Create a GIF from a series of images with 100ms delay between them

magick convert path/to/image1.png path/to/image2.png ... -delay 10 path/to/animation.gifIdentify

Create an image with nothing but a solid red background

magick convert -size 800x600 "xc:#ff0000" path/to/image.pngIdentify

Create a favicon from several images of different sizes

magick convert path/to/image1.png path/to/image2.png ... path/to/favicon.icoIdentify