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XLS to HTML conversion output is too small using C#

When running the following code, the output is a very small html (looks like needs to zoom in).

Screen Shot 2018-08-28 at 18.53.14.jpg (531.8 KB)

var saveOptions = new GroupDocs.Conversion.Converter.Option.HtmlSaveOptions();

        saveOptions.ConvertFileType = HtmlSaveOptions.HtmlFileType.Html;
        saveOptions.Zoom = 150;
        //saveOptions.NumPagesToConvert = 3;
        var convertedDocumentPath = conversionHandler.Convert(originalExcelFile, saveOptions);


Thanks for taking interest in GroupDocs.Conversion for .NET and posting your concerns.
In order to investigate this issue at our end, we need following details from you:

  • API Version (e.g. 18.8, 18.7)
  • Problematic/input file

The file can be downloaded from here.

my GroupDocs.Conversion assembly is 18.5 (silly question - does that mean i’m on version 18.5? i’m pretty sure i downloaded the latest 18.8 but if not, i’ll upgrade).

1 Like


Thank you for sharing the problematic file.
We reproduced this issue at our end as well. Hence, it has been logged in our internal issue tracking system with ID:CONVERSIONNET-2725.
We are working on it. As we have any update, you shall be notified.

Thank you, can I get an ETA on when to expect an update?

this seems like a very simple functionality in the product that is not working.


We are investigating this issue. Sooner we’ll share an ETA with you. Your patience shall be appreciated in this regard.


We are pleased to inform you that your reported issue CONVERSIONNET-2725 is resolved in GroupDocs.Conversion for .NET 18.9.