At some particular case, user wanna change the default font-size to value rather than its default (18pt), this tool was in front of Office Open XML and give helps.
download nuget package from https://github.com/alfie029/Powerpoint.Utilities/releases
and install via dotnet tool
dotnet tool install --global --add-source ./ Powerpoint.DefaultFontSize
dotnet tool uninstall -g Powerpoint.DefaultFontSize
Powerpoint.DefaultFontSize get --file YourSlides.pptx
Powerpoint.DefaultFontSize set --size 16 --file YourSlides.pptx
- clone the code
git clone https://github.com/alfie029/Powerpoint.Utilities.git
cd Powerpoint.Utilities
- restore package
dotnet restore # full solution
dotnet restore Powerpoint.DefaultFontSize/Powerpoint.DefaultFontSize.csproj