after merging files, the result is much bigger?

[GHWels]

Hello

I want to merge files and save it to another file = the size of the new file is much bigger

Dim ICol As New ImageCollection()
ICol.Add("C:\Temp\file1.pdf")
ICol.Add("C:\Temp\file2.pdf")
ICol.SaveAsync("C:\temp\file3.pdf")

thank you, for your help
Gunther

[Alex]

Hello Gunther,

Could you send us (to support@vintasoft.com) your PDF documents for tests? We need reproduce the problem on our side.

Best regards, Alexander