The above output displays a successful change in the size of my gif. You can verify the change of size by running the following command again on your final image: $ identify -format "%wx%h" resized-image.gif $ convert -size 800圆00 temporary-image.gif -resize 400x300 resized-image.gif I will bring down the size of my gif from 800×600 pixels to 400×300 by converting the temporary image to the final “resized-image.gif”. $ convert -size temporary-image.gif -resize resized-image.gif Then, it is time to convert the temporary gif to the final resized image through the following command syntax:
I will also convert my sample.gif to a temporary one using the following command: $ convert sample.gif -coalesce temporary-image.gif Now, run the following command syntax so that your original gif is not lost: $ convert sample-image.gif -coalesce temporary-image.gif This is the dimension of your original gif. The first value of the dimension, highlighted above, is of importance to you. To know its exact dimensions, I would run the following command: $ identify -format "%wx%h" sample.gifįor non-animated images, the command gives a single value for dimensions but for gifs, the output is somewhat like this: In this article, I am using a sample gif file named “sample.gif” to explain resizing of a gif file.
The following command helps you in printing the dimensions of an image file: $ identify -format "%wx%h" imagefile jpg as well.įor that, it is important that you know the dimensions of your original gif. You can use the same procedure for other image or graphic files like. We will now explain how you can resize an animated gif by specifying the new width and height of the image, in pixels.
#CONVERT RESIZE IMAGE SOFTWARE#
Please enter Y and hit Enter after which the software will be installed on your system. The system might prompt you with a y/n option to confirm installation.
#CONVERT RESIZE IMAGE INSTALL#
Then, run the following command as sudo in order to install ImageMagick $ sudo apt-get install imagemagick
#CONVERT RESIZE IMAGE UPDATE#
You can update the repository index through this command: $ sudo apt-get update Running the following command before installing a software through the command line helps you in installing its latest available version. Open the Terminal application either through the system Application Launcher search or the Ctrl+Alt+T shortcut. ImageMagick can easily be installed through the Ubuntu official repositories using the apt-get command. ImageMagick is a free, and open -source image editing suite for viewing, editing and converting image files. Resize a graphic file on the Linux Command Line Install ImageMagick
We have run the commands and procedures mentioned in this article on a Ubuntu 18.04 LTS system. The command-line tools do not use too many resources and thus form great alternatives to the widely used graphical applications, especially if you are stuck up with older hardware. So, why should gif resizing be any different! Using the Terminal makes certain tasks more efficient and, even faster. There is always a way to do almost all of our stuff right inside the Terminal. If you are a Terminal-savvy person, you wouldn’t want to leave the comfort of the command line and go somewhere else to do any of your daily technical activities. In this article, we will explain how you can resize your graphic files or photos through the Ubuntu command line using the ImageMagick utility. Graphic designers also have to deal with the same issue but they are well-equipped with tools that can resize the images so that they can be easily shared with the stakeholders. There are numerous tools available on Ubuntu that serve your purpose, but why install the complicated ones when you are only concerned with one basic procedure-resizing your graphics. This way, we can make sure that the image fits in the view where we have to eventually display it. While working with graphic files, sometimes we also have to resize them by changing their dimensions. Sharing graphics and photos has been so popular in the past few years that I am sure you must have also found yourself sharing, and even creating some.
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