Change File Extension

This is a file to change the file extensions of (all) files in the same folder.

• you need a powershell terminal installed for this! (but on the windows it is usally installed)

How

• Download the change_file_extension.ps1 file or copy the Code down below!
• copy it in the folder with the files you need to change the extension
• then run the file with Powershell (rightclick -> run with Powershell)!
• first type the old extension, then the new one
• the script will rename every file with the old to the new extension.

# script to change the file extension of multiple files

$old_extension = Read-Host "Old File extension: "
$new_extension = Read-Host "New File extension: "

Get-ChildItem *.$old_extension | ForEach-Object {
    Rename-Item $_.FullName -NewName ($_.BaseName + "." + $new_extension)
}

Write-Host "*******************************************************"
Write-Host "*                                                     *"
Write-Host "*                     Finished!                       *"
Write-Host "*                                                     *"
Write-Host "*******************************************************"

Read-Host

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