Using free trial license.
The following exception is thrown out when converting html to pdf -
max(48750) < opt(97500)
HTML to convert -
P { margin-top: 0; margin-bottom: 0; }<div dir="ltr">
<div style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important">
<center style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; width:100%; background:#ffffff; margin:0">
<div class="x_x_email-container" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; max-width:600px; margin:0">
<table role="presentation" aria-hidden="true" cellspacing="0" cellpadding="0" border="0" align="center" width="100%" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; border-spacing:0px!important; border-collapse:collapse!important; table-layout:fixed!important; margin:0px auto!important; max-width:600px; margin:0 auto">
<tbody style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important">
<tr style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important">
<td style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; text-align:center">
<div class="x_x_stack-column" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; display:inline-block; max-width:100%; vertical-align:top; width:100%">
<table role="presentation" aria-hidden="true" border="0" cellpadding="0" cellspacing="0" align="center" width="95%" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; border-spacing:0px!important; border-collapse:collapse!important; table-layout:fixed!important; margin:0px auto!important; max-width:570px">
<tbody style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important">
<tr style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important">
<td align="center" height="100%" valign="top" width="100%" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; padding-top:10px">
<table role="presentation" aria-hidden="true" border="0" cellpadding="0" cellspacing="0" align="center" width="100%" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; border-spacing:0px!important; border-collapse:collapse!important; table-layout:fixed!important; margin:0px auto!important; table-layout:auto; max-width:570px; border:1.25px solid #cccccc">
<tbody style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important">
<tr style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important">
<td align="center" height="100%" valign="top" width="100%" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important">
<table role="presentation" aria-hidden="true" border="0" cellpadding="0" cellspacing="0" align="center" width="100%" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; border-spacing:0px!important; border-collapse:collapse!important; table-layout:fixed!important; margin:0px auto!important; table-layout:auto; table-layout:auto; max-width:570px">
<tbody style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important">
<tr style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important">
<td align="left" valign="top" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; padding:15px">
<div class="x_x_item-img-column" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; display:inline-block; max-width:100px; min-width:100px; vertical-align:top; width:100%; padding-right:30px">
</div>
<div class="x_x_item-desc-column" style="font-weight:normal; color:rgb(51,51,51); font-size:16px; line-height:24px; font-family:"Helvetica Neue",Helvetica,Roboto,Arial,sans-serif!important; display:inline-block; max-width:50%; min-width:20%; vertical-align:top; width:100%">
</div>
</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</center>
</div>
</div>
The C# code to do conversion -
public void HtmlToPdf(string htmlFilePath)
{
using (var htmlStream = new MemoryStream(File.ReadAllBytes(htmlFilePath)))
using (var pdfStream = new MemoryStream())
{
var options = new Aspose.Pdf.HtmlLoadOptions();
var pdfDocument = new Aspose.Pdf.Document(htmlStream, options);
pdfDocument.Save(pdfStream);
File.WriteAllBytes(htmlFilePath.Replace(".htm", ".aspose.pdf"), pdfStream.ToArray());
}
}