2026 年版 HTML から PDF への変換ツールの決定版ガイド

class DocumentEditorController : Controller
{
    public IActionResult Index()
    {
        ViewBag.DocumentEditorSettings = new DocumentEditorSettings
        {
            Dock = DocumentEditorDock.Fill,
            UserNames = new[] { "iron.user@example.com" },
            ToolbarDocked = true,
            RibbonTabsVisible = true
        };
        return View();
    }
}

Imports System.Web.Mvc

Public Class DocumentEditorController
    Inherits Controller

    Public Function Index() As ActionResult
        ViewBag.DocumentEditorSettings = New DocumentEditorSettings With {
            .Dock = DocumentEditorDock.Fill,
            .UserNames = New String() {"iron.user@example.com"},
            .ToolbarDocked = True,
            .RibbonTabsVisible = True
        }
        Return View()
    End Function
End Class

using (ServerTextControl tx = new ServerTextControl())
{
    tx.Create();
    tx.Load("invoice-template.tx", StreamType.InternalUnicodeFormat);
    MailMerge mm = new MailMerge { TextComponent = tx };
    var invoice = new
    {
        CustomerName = "Acme Corp",
        InvoiceNumber = "INV-2026-0042",
        Total = 1498.00m,
        Items = new[] { new { Sku = "IRONSUITE", Qty = 1, Price = 1498.00m } }
    };
    mm.MergeObject(invoice);
    tx.Save("invoice.pdf", StreamType.AdobePDF);
}

Imports TXTextControl

Using tx As New ServerTextControl()
    tx.Create()
    tx.Load("invoice-template.tx", StreamType.InternalUnicodeFormat)
    Dim mm As New MailMerge With {.TextComponent = tx}
    Dim invoice = New With {
        .CustomerName = "Acme Corp",
        .InvoiceNumber = "INV-2026-0042",
        .Total = 1498.0D,
        .Items = New() {New With {.Sku = "IRONSUITE", .Qty = 1, .Price = 1498.0D}}
    }
    mm.MergeObject(invoice)
    tx.Save("invoice.pdf", StreamType.AdobePDF)
End Using

var doc = new WordDocument();
var heading = new Paragraph();
heading.AddChild(new TextRun("Quarterly Report — Q1 2026") { FontSize = 18, Bold = true });
doc.AddParagraph(heading);
var body = new Paragraph();
body.AddChild(new TextRun("Revenue grew 14% quarter-over-quarter."));
doc.AddParagraph(body);
doc.SaveAs("report.docx");

Dim doc As New WordDocument()
Dim heading As New Paragraph()
heading.AddChild(New TextRun("Quarterly Report — Q1 2026") With {.FontSize = 18, .Bold = True})
doc.AddParagraph(heading)
Dim body As New Paragraph()
body.AddChild(New TextRun("Revenue grew 14% quarter-over-quarter."))
doc.AddParagraph(body)
doc.SaveAs("report.docx")

using (ServerTextControl tx = new ServerTextControl())
{
    tx.Create();
    tx.Load("input.docx", StreamType.WordprocessingML);
    SaveSettings pdfASettings = new SaveSettings
    {
        CreatorApplication = "Internal Reporting",
        Author = "Compliance Team",
        PDFExportSettings = new PDFExportSettings
        {
            PDFAVersion = PDFAVersion.PDFA3B,
            EmbedFonts = true
        }
    };
    tx.Save("output_pdfa3b.pdf", StreamType.AdobePDFA, pdfASettings);
}

Imports (Assuming necessary namespaces are imported)

Using tx As New ServerTextControl()
    tx.Create()
    tx.Load("input.docx", StreamType.WordprocessingML)
    Dim pdfASettings As New SaveSettings With {
        .CreatorApplication = "Internal Reporting",
        .Author = "Compliance Team",
        .PDFExportSettings = New PDFExportSettings With {
            .PDFAVersion = PDFAVersion.PDFA3B,
            .EmbedFonts = True
        }
    }
    tx.Save("output_pdfa3b.pdf", StreamType.AdobePDFA, pdfASettings)
End Using

// NuGet: Install-Package IronPdf
// Docs: https://ironpdf.com/how-to/pdfa/
using IronPdf;

class Program
{
    static void Main()
    {
        // SaveAsPdfA exports to a PDF/A archival profile.
        // PdfAVersions exposes PdfA1a, PdfA1b, PdfA2a, PdfA2b, PdfA3a, PdfA3b.
        PdfDocument pdf = PdfDocument.FromFile("invoice.pdf");

        // PDF/A-3b is the common archival target for long-term retention.
        pdf.SaveAsPdfA("invoice-archive.pdf", PdfAVersions.PdfA3b);
    }
}

Imports IronPdf

Module Program
    Sub Main()
        ' SaveAsPdfA exports to a PDF/A archival profile.
        ' PdfAVersions exposes PdfA1a, PdfA1b, PdfA2a, PdfA2b, PdfA3a, PdfA3b.
        Dim pdf As PdfDocument = PdfDocument.FromFile("invoice.pdf")

        ' PDF/A-3b is the common archival target for long-term retention.
        pdf.SaveAsPdfA("invoice-archive.pdf", PdfAVersions.PdfA3b)
    End Sub
End Module

X509Certificate2 cert = new X509Certificate2("signer.pfx", "pfx_password");
DigitalSignature signature = new DigitalSignature(cert, null, "SignatureField1");
SaveSettings settings = new SaveSettings
{
    SignatureFields = new[] { signature }
};
tx.Save("contract_signed.pdf", StreamType.AdobePDF, settings);

Imports System.Security.Cryptography.X509Certificates

Dim cert As New X509Certificate2("signer.pfx", "pfx_password")
Dim signature As New DigitalSignature(cert, Nothing, "SignatureField1")
Dim settings As New SaveSettings With {
    .SignatureFields = New DigitalSignature() {signature}
}
tx.Save("contract_signed.pdf", StreamType.AdobePDF, settings)

using (ServerTextControl tx = new ServerTextControl())
{
    tx.Create();
    tx.Load("orders-report-template.tx", StreamType.InternalUnicodeFormat);
    MailMerge mm = new MailMerge { TextComponent = tx };
    mm.Merge(orders, "Orders");
    tx.Save("orders-report.pdf", StreamType.AdobePDF);
}

Imports TXTextControl

Using tx As New ServerTextControl()
    tx.Create()
    tx.Load("orders-report-template.tx", StreamType.InternalUnicodeFormat)
    Dim mm As New MailMerge With {.TextComponent = tx}
    mm.Merge(orders, "Orders")
    tx.Save("orders-report.pdf", StreamType.AdobePDF)
End Using