Telerik HTML to PDF Generator vs IronPDF

Installation of Telerik Document Processing Libraries

To create a PDF document from HTML using the Telerik Document Processing suite, we have to install three libraries:

1. Telerik.Documents.Core.Trial
2. Telerik.Documents.Flow.FormatProviders.Doc.Trial
3. Telerik.Documents.Flow.FormatProviders.Pdf.Trial
4. Telerik.Documents.Flow.Trial

You can install these libraries using the NuGet Package Manager.

Telerik and Kendo UI Libraries

Installation of IronPDF C#.NET PDF Library

You can install IronPDF using three ways:

1. Install with NuGet Package Manager Console
2. Install with NuGet Visual Studio GUI
3. Downloadthe IronPDF DLL file for manual installation

For installation with the Package Manager Console, you'll need to write the following command in the console.

Install-Package IronPdf

This command will install the latest IronPDF library version in the project. Of course, you can always check the newest version of IronPDF on theIronPDF's NuGet page.

HTML to PDF

Use the following code to create a PDF document using an HTML file.

using IronPdf;

// Create an instance of ChromePdfRenderer
var IronRenderer = new ChromePdfRenderer();

// Set the renderer's options to fit to the specified paper mode.
IronRenderer.RenderingOptions.FitToPaperMode = IronPdf.Engines.Chrome.FitToPaperModes.FixedPixelWidth;

// Render the HTML file as a PDF document.
var pdfFromHtmlFile = IronRenderer.RenderHtmlFileAsPdf(@"C:\HTML Website\website\index.html");

// Save the rendered PDF document to a file.
pdfFromHtmlFile.SaveAs(@"C:/IronPDF Test.pdf");

using IronPdf;

// Create an instance of ChromePdfRenderer
var IronRenderer = new ChromePdfRenderer();

// Set the renderer's options to fit to the specified paper mode.
IronRenderer.RenderingOptions.FitToPaperMode = IronPdf.Engines.Chrome.FitToPaperModes.FixedPixelWidth;

// Render the HTML file as a PDF document.
var pdfFromHtmlFile = IronRenderer.RenderHtmlFileAsPdf(@"C:\HTML Website\website\index.html");

// Save the rendered PDF document to a file.
pdfFromHtmlFile.SaveAs(@"C:/IronPDF Test.pdf");

The RenderHtmlFileAsPdf method is used to generate a PDF from the HTML file. This function reads all content from the HTML file, loading the related CSS and JavaScript files. The output of the RenderHtmlFileAsPdf method is displayed below.

IronPDF HTML to PDF

IronPDF generates PDFs from HTML very beautifully. This result is different and better than the Telerik-generated PDF.

URL to PDF

You can use the following code to generate a PDF from a URL.

using IronPdf.Rendering;
using IronPdf;

// Create an instance of ChromePdfRenderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Set the paper size for rendering the PDF.
renderer.RenderingOptions.PaperSize = PdfPaperSize.A2;

// Render the specified URL as a PDF document.
PdfDocument myPdf = renderer.RenderUrlAsPdf("https://dotnet.microsoft.com/en-us/");

// Save the rendered PDF document to a file.
myPdf.SaveAs(@"C:/dotnet.pdf");

using IronPdf.Rendering;
using IronPdf;

// Create an instance of ChromePdfRenderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Set the paper size for rendering the PDF.
renderer.RenderingOptions.PaperSize = PdfPaperSize.A2;

// Render the specified URL as a PDF document.
PdfDocument myPdf = renderer.RenderUrlAsPdf("https://dotnet.microsoft.com/en-us/");

// Save the rendered PDF document to a file.
myPdf.SaveAs(@"C:/dotnet.pdf");

The RenderUrlAsPdf function converts a webpage's URL into a PDF. It waits to load all related files before rendering, producing extraordinary results. It preserves all colors, designs, and UI. You can see the output below.

URL to PDF

You can get more tutorials about IronPDF and see them in action on the IronPDF Tutorial Page.

CSS and JavaScript Support

Telerik PdfProcessing is designed primarily for code-based PDF generation and doesn't natively support external CSS or JavaScript files for HTML conversion. Its focus is on programmatic document creation rather than HTML rendering.

Conversely, IronPDF has full support for internal and external CSS and JavaScript declarations. Processing of JavaScript can be toggled on or off as required with IronPDF.

Limitations of Telerik Document Processing

In summation, the following are some additional limitations of Telerik PdfProcessing for HTML-to-PDF workflows:

1. Telerik PdfProcessing doesn't natively support external CSS or JavaScript files for HTML conversion.
2. Limited HTML rendering capabilities compared to browser-based PDF generators.
3. No built-in URL-to-PDF conversion functionality.
4. Designed for programmatic PDF creation rather than HTML document conversion.
5. HTML rendering quality may not match the source document's appearance.

Features of IronPDF

IronPDF's chief features are:

• IronPDF supports URL-to-PDF and HTML file-to-PDF conversion.
• IronPDF supports external files like images, CSS, and JS files.
• IronPDF automatically loads every file without using any external libraries.
• IronPDF has extensive documentation.
• IronPDF preserves the UI and gives perfect rendering quality.

There are many other features of IronPDF. You can visit the IronPDF Features Page for the bestinformation.

IronPDF Features