ImageMagick® is a free, open-source software suite, used for editing and manipulating digital images. It can be used to create, edit, compose, or convert bitmap images, and supports a wide range of file formats, including JPEG, PNG, GIF, TIFF, and Ultra HDR. [1]
Features
One of the key features of ImageMagick is its support for scripting and automation. This allows users to create complex image manipulation pipelines that can be run automatically, without the need for manual intervention. This can be especially useful for tasks that require the processing of large numbers of images, or for tasks that need to be performed on a regular basis.
In addition to its core image manipulation capabilities, ImageMagick also includes a number of other features, such as support for animation, color management, and image rendering. These features make it a versatile tool for a wide range of image-related tasks, including graphic design, scientific visualization, and digital art.
Overall, ImageMagick is a powerful and versatile software suite for displaying, converting, and editing image files. Its support for scripting and automation, along with its other features, make it a valuable tool for a wide range of image-related tasks.
Install
sudo apt-get install imagemagick # Debian/Ubuntu<br># OR<br>brew install imagemagick # macOS (with Homebrew)Usage example
Using the following command we can transpose a png image to an .ico image
Favicon
A favicon (/ˈfæv.ɪˌkɒn/; short for favorite icon), also known as a shortcut icon, website icon, tab icon, URL icon, or bookmark icon, is a file containing one or more small icons[1] associated with a particular website or web page.[1][2] A web designer can create such an icon and upload it to a website (or web page) by several means, and graphical web browsers will then make use of it.[3] Browsers that provide favicon support typically display a page’s favicon in the browser’s address bar (sometimes in the history as well) and next to the page’s name in a list of bookmarks.[3] Browsers that support a tabbed document interface typically show a page’s favicon next to the page’s title on the tab, and site-specific browsers use the favicon as a desktop icon [2].
convert input.png -define icon:auto-resize=64,48,32,16 output.ico