I am having a PDF file where I want to replace specific texts using c#.
I have tried this using Sphire.PDF ,Aspose.PDF,ItextSharp.PDF.
All the above API are not open source and requires license to implement in the code.
So please suggest me any API that is open Source and free so that I can implement in c#.
(If not API is there any other ways to read the file and replace the texts in pdf or docx format)
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