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TIFF to PDF conversion in .NET


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 Topic is created by atirtahir3 using Email to Topic tool.


Please share following information and we’ll investigate this scenario:

  • Problematic (TIFF) file
  • Sample code or application to reproduce the issue

thanks @atirtahir3

the file I’m testing with is zipped up here
Camping.zip (2.0 MB)

if I upload that file here:

the site fails to produce a PDF

the code I have that executes the conversion is fairly simple. I’ll see if I can put together a stand-alone example app.

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Yes, please. We’ll appreciate your cooperation.

actually - your example site, I was able to reproduce the exact same output.

Camping_output.zip (3.1 MB)

^ so what is attached here matches the output my code is producing as well.

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This issue is reproduced at our end. Hence, we’ve logged it in our internal issue tracking system with ID CONVERSIONNET-3815. It’ll be further investigated. As there’s any update, you’ll be notified.

hi @atirtahir3,

I see that CONVERSIONNET-3815 has been set to Status of “Postponed”.
Is there a way to get any more information on this issue?

Thank you,


This issue is expected to be fixed in API version 20.10. We’ll further update you as there’s any progress.

thank you very much for the update, @atirtahir3 .
I will look for the fix when you have it ready.



You’re welcome.

The issues you have found earlier (filed as CONVERSIONNET-3815) have been fixed in this update. This message was posted using Bugs notification tool by Atir_Tahir