Script to loop through a folder with images and convert all of them to a Base64 string

convertImagesToBase64.ps1

<#
  Usage on Linux:
  pwsh ./convertImagesToBase64.ps1 /home/user/folder/images

  Usage on Windows:
  ./convertImagesToBase64.ps1 C:/Path/To/Imagens
#>

$folderPath = $args[0]

Write-Output "Starting the conversion"

$allImages = Get-ChildItem $folderPath -Filter *.png

foreach ($image in $allImages) {
  $fileName = $image.Name
  Write-Output "Converting the image: $fileName"
  
  # OBS: For more information on how convert a file to base64 take a look at this gist: [png-to-base64.ps1](https://gist.github.com/pferreirafabricio/97c1c68057e406ff0f98840659973f0d)
  [String]$base64 = [convert]::ToBase64String((Get-Content $image.FullName -Raw -AsByteStream))
  Write-Output $base64
}

Write-Output "All images were converted"

OBS: Remember to download PowerShell on Linux: Installing PowerShell on Linux

For more information on how convert a file to base64 take a look at this gist: png-to-base64.ps1