On: Stirling-PDF: local web application to perform various operations on PDFs

[christkv]

Can it add attachments to pdf files?. Until this year I did not even know that this was possible but a government agency asked me to add files as attachments to a pdf as their website only allowed uploading valid pdf files.

[alexzeitler → christkv]

Have learned about it this year as well

[layer8 → christkv]

You can use Acrobat Reader for that.