In this article, we will explore the process of decreasing the resolution of multiple images in the Windows environment. This task can be particularly useful when dealing with large image files that need to be resized for various purposes, such as web publishing or reducing storage space. By following the instructions provided below, Windows users will be able to efficiently decrease the resolution of multiple images.

Examples:

1. Using Paint:

   • Open the first image in Paint by right-clicking on it and selecting "Open with" > "Paint."
   • Click on the "Resize" option in the "Home" tab.
   • In the "Resize and Skew" window, select the "Pixels" option and enter the desired resolution values for width and height.
   • Click on the "OK" button to apply the changes.
   • Save the modified image by clicking on "File" > "Save" or pressing Ctrl + S.
   • Repeat the process for each image.

2. Using IrfanView:

   • Download and install IrfanView from the official website.
   • Open IrfanView and go to "File" > "Batch Conversion/Rename."
   • In the Batch Conversion window, select the images you want to resize.
   • Choose the output format and destination folder.
   • Enable the "Use advanced options" checkbox.
   • Click on the "Advanced" button and enter the desired resolution values in the "Set new size" section.
   • Click on the "Start" button to begin the batch conversion process.

3. Using PowerShell:

   • Open PowerShell by pressing Win + X and selecting "Windows PowerShell."
   • Navigate to the folder containing the images using the "cd" command.
   • Run the following command to decrease the resolution of all images in the folder:

     Get-ChildItem -Filter *.jpg | ForEach-Object { $image = [System.Drawing.Image]::FromFile($_.FullName); $newImage = $image.GetThumbnailImage(800, 600, $null, [IntPtr]::Zero); $newImage.Save($_.FullName) }