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Document conversion, Input string was not in a correct format exception in .NET


I use GroupDocs.Conversion v for .Net

I have an exception when call this method GroupDocs.Conversion.Converter.GetDocumentInfo() with a PDF file

I cannot post this file here, you can request it privately.

How to solve this issue ?

Thank you.

The exception :

GroupDocs.Conversion.Exceptions.GroupDocsConversionException was unhandled
Message= Input string was not in a correct format.
à GroupDocs.Conversion.Converter.GetDocumentInfo()
à System.Windows.Forms.Button.OnClick(EventArgs e)

1 Like


Please share the problematic PDF file in a private message. We’ll then look into this scenario.


This issue is reproduce at our end using the problematic file you shared. Hence, it has been logged in our internal issue tracking system with ID CONVERSIONNET-3821. It’ll be now further investigated. As there’s any update, you’ll be notified.