Windows Powershell to recurse through all directories and re-compress/ JPEGs

FindAndCompressJPEGs.ps1

# Re-compress / Optimise all JPEGs in place (80% quality = approx. 70% disk saving, with little noticeable difference )
# NOTE: This will over-write the original JPED file! Also change the path to your executable.
# Requires jpegoptim: https://github.com/XhmikosR/jpegoptim-windows/releases
Get-ChildItem -Recurse -File -Include *.jpg,*.JPEG | Foreach  {C:\<CHANGE_THIS_PATH>\jpegoptim --max=80 $_.fullname}