using IronPdf; // Instantiate Renderer var renderer = new ChromePdfRenderer(); // Create a PDF from a URL or local file path var pdf = renderer.RenderUrlAsPdf("https://ironpdf.com/"); // Export to a file or Stream pdf.SaveAs("url.pdf");

using IronPdf; using System; // Step 1. Creating a PDF with editable forms from HTML using form and input tags // Radio Button and Checkbox can also be implemented with input type 'radio' and 'checkbox' const string formHtml = @" <html> <body> <h2>Editable PDF Form</h2> <form> First name: <br> <input type='text' name='firstname' value=''> <br> Last name: <br> <input type='text' name='lastname' value=''> <br> <br> <p>Please specify your gender:</p> <input type='radio' id='female' name='gender' value= 'Female'> <label for='female'>Female</label> <br> <br> <input type='radio' id='male' name='gender' value='Male'> <label for='male'>Male</label> <br> <br> <input type='radio' id='non-binary/other' name='gender' value='Non-Binary / Other'> <label for='non-binary/other'>Non-Binary / Other</label> <br> <p>Please select all medical conditions that apply:</p> <input type='checkbox' id='condition1' name='Hypertension' value='Hypertension'> <label for='condition1'> Hypertension</label><br> <input type='checkbox' id='condition2' name='Heart Disease' value='Heart Disease'> <label for='condition2'> Heart Disease</label><br> <input type='checkbox' id='condition3' name='Stoke' value='Stoke'> <label for='condition3'> Stoke</label><br> <input type='checkbox' id='condition4' name='Diabetes' value='Diabetes'> <label for='condition4'> Diabetes</label><br> <input type='checkbox' id='condition5' name='Kidney Disease' value='Kidney Disease'> <label for='condition5'> Kidney Disease</label><br> </form> </body> </html>"; // Instantiate Renderer var renderer = new ChromePdfRenderer(); renderer.RenderingOptions.CreatePdfFormsFromHtml = true; renderer.RenderHtmlAsPdf(formHtml).SaveAs("BasicForm.pdf"); // Step 2. Reading and Writing PDF form values. var FormDocument = PdfDocument.FromFile("BasicForm.pdf"); // Set and Read the value of the "firstname" field var FirstNameField = FormDocument.Form.FindFormField("firstname"); FirstNameField.Value = "Minnie"; Console.WriteLine("FirstNameField value: {0}", FirstNameField.Value); // Set and Read the value of the "lastname" field var LastNameField = FormDocument.Form.FindFormField("lastname"); LastNameField.Value = "Mouse"; Console.WriteLine("LastNameField value: {0}", LastNameField.Value); FormDocument.SaveAs("FilledForm.pdf");

Convert ASPX to PDF. Also Supports HTML, JavaScript, CSS and Images

C# PDF Creator: Generate PDF Files Using C#

Create, edit, and export your C# and .NET projects with IronPDF.

IronPDF: The C# PDF Solution You Have Been Looking For

IronPDF allows developers to create, edit, and extract PDF documents from .NET 6, 5, Core, Standard, and Framework projects. It has a vast C# Library that prioritizes ease of use, speed, and accuracy. It takes the stress out of generating PDF files because it doesn’t rely on proprietary APIs. Rather, it lets developers use their existing skills of CSS, HTML, and JavaScript to generate print-quality PDF documents from within. HTML-to-PDF renders PDF documents by utilizing open standard archive designs like CSS, GIF, HTML, JS, JPG, and SVG.

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Features of the C# PDF Creation

Create PDF documents using HTML Templates & Strings, HTML documents, ASPX Webforms, ASP.NET MVC Views, and any URL
Convert PDF documents to and from images
Load or save PDF files from Files, Binary Date, and Memory Streams
Add, edit, and extract PDF documents
Extract plain images and texts from existing PDF documents
Add headers and footers in PDFs
Supports signing encrypted PDFs and metadata enhancements
Compatible with Framework 4 & above, Core 2.0 & above, and .NET Standard 2.0 & above

Benefits of Our C# PDF Creator

Creating PDFs with IronPDF C# PDF Library is easy. It offers several benefits, including:

Convert printable documents to PDF in 125ms
Control PDF settings such as annotations, outlines, bookmarks, watermarks, foreground or background overlays, and more
It excels in ease of use. It runs as a single DLL and only requires normal permissions for use in web and regular applications
Licensing is free for testing and development. You can get free trial keys
It has excellent PDF printing options such as standard and non-standard formats. Print margins are also included.
You can control CSS media directives, screenprint, overhead stylesheets, and enabling or disabling AJAX and JavaScript.