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How to convert multi-page TIFF to PDF in .NET

Hello, all. I am currently evaluating GroupDocs Conversion for .NET (19.9.0) to replace an existing document conversion tool that we have. So far, I have been able to implement all of our required use cases except for one. We have a need to convert multi-page TIFFs to PDFs. So far, I have only been able to convert the main image to a single page PDF. Is this possible? If so, how would I accomplish this?

The code I am using is quite simple:

using (var converter = new Converter(() => sourceStream))
converter.Convert(new SaveDocumentStream(() => targetStream), new PdfConvertOptions());


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We are investigating this. Your investigation ticket ID is CONVERSIONNET-3416. As there’s any update, you’ll be notified.

@atirtahir3 & @pnijeffk - did you ever come up with a solution for this?

I am attempting the same thing, and the PDF file that is produced is unusable. The first page converts just fine, but the rest of the pages look redacted (all black).

I am using GroupDocs.Conversion version 20.1.0



This issue was resolved in version 19.10. Your query is answered here.