Add watermark to ppt/pdf and generate a pdf.
You can add watermark to a pdf file using seal.sh.
You need to install matplotlib (python) and pdftk.
You can also convert a pptx file to pdf using MS Office using core/convert-to-pdf.sh.
This needs a windows host with MS Office installed, ssh and powershell available.
You can also run the whole thing on a windows machine, but laekov does not use windows unless forced.
The web frontend runs over ExpressJS.
The server starts at backend/server.js.
It provides end-to-end conversion service online.