VDocs 2026.6.3

⚡ VDocs – The Lightweight, High-Performance .NET Document Framework

VDocs – High-Performance .NET Document Framework

VDocs is a high-performance, standalone .NET document processing framework designed for developers who need full control over Word (DOCX) and PDF files — without relying on the OpenXML SDK, Microsoft Word Interop, or any third-party PDF library.

Built on a fully custom Document Object Model (DOM), VDocs provides deep access to WordprocessingML and supports bidirectional mapping between the DOM and the underlying XML. The same unified DOM now drives three output engines: DOCX, HTML, and PDF — all from a single document representation.

VDocs is ideal for:

• Document preview and rendering
• Reporting and automated document generation
• PDF export pipelines with no external dependencies
• HTML export pipelines
• Content transformation workflows
• Server-side document processing in cloud applications
• Document preview in web applications

🚀 Why Choose VDocs?

VDocs is 3x faster than OpenXML SDK and weighs just 255 KB – a complete, standalone .NET document processing framework built from the ground up for maximum performance and minimal footprint.

✨ Key Advantages Over OpenXML SDK

🏆 Performance Benchmarks

Benchmarks conducted on .NET 8, 16 GB RAM, Intel i7 processor.

🚀 Features

📄 Complete Word Document Support

• Create, edit, and save Word (.docx) documents
• Paragraphs, runs, text, tables, lists, images, shapes, charts, and more
• Headers, footers, page numbering, sections

🧱 Rich Document Object Model (DOM)

• High-level abstractions for every major Word element
• Clean, intuitive C# API for styling & layout
• Custom-built DOM optimized for speed
• Lazy loading and intelligent caching
• Minimal memory overhead

🔄 Word XML ↔ DOM Mapping

• Full bidirectional mapping
• Load any DOCX file and manipulate via DOM
• No loss of formatting or metadata
• Full control over WordprocessingML
• Save DOM changes back to DOCX, HTML, or PDF

🌐 Word → HTML Conversion Engine

• Convert Word documents to semantic HTML
• Preserves formatting, styles, and layout
• Generates clean, maintainable CSS
• Perfect for document previews and web publishing

🆕 DOM → PDF Export Engine (Pure C#)

• Generate PDF files directly from the VDocs DOM — no third-party PDF library required
• Built on the raw PDF specification (ISO 32000); produces spec-compliant PDF 1.7 output
• Supports all Standard-14 fonts (Helvetica, Times, Courier) with precise AFM text measurement
• Full text styling: bold, italic, underline, strikethrough, font size, and color
• Automatic word-wrap and paragraph alignment (left, center, right, justify)
• Table rendering with borders, cell padding, background shading, and column spans
• Image embedding (JPEG and PNG)
• Headers and footers with page number tokens
• Hyperlinks and document metadata (/Title, /Author, /Subject)
• Optional FlateDecode (zlib) stream compression
• Multi-page documents with configurable page sizes (A4, Letter, Legal, and custom)

🎨 Advanced Styling & Graphics

• Borders, margins, spacing, alignment
• Gradients, fills, shapes, outlines
• Text effects (outline, glow, shadow, reflections, 3D effects, gradient)

🛠 Enterprise-Ready

• Commercial license with support
• Regular updates and security patches
• Comprehensive documentation
• Professional technical support available

📦 Installation

dotnet add package VDocs

💻 Quick Start

Create a Simple Document

using VDocs;

// Create document - 3x faster than OpenXML
var doc = new VDocs();
doc.LicensePath = "VDocsLicense.lic";

// Add content with intuitive API
doc.AddText("Hello, World!")
    .Style = new TextStyle
    {
        Font = new Font
        {
            Latin = new FontPart { FontName = "Arial", Size = 24, IsBold = true },
            Color = Color.Blue
        }
    };

// Save as DOCX
doc.Save("HelloWorld.docx");

// Save as PDF — same document, no extra code
doc.SaveAsPdf("HelloWorld.pdf");

Convert Word to PDF

var doc = WordDocument.Load("report.docx");

// Export to PDF with no third-party libraries
doc.SaveAsPdf("report.pdf");

Convert Word to HTML

var doc = WordDocument.Load("report.docx");

// Convert to HTML — perfect for web preview
doc.SaveAsHTML("report.html");

Create a PDF Report from Scratch

var doc = new VDocs();
doc.LicensePath = "VDocsLicense.lic";

// Add header
var header = doc.AddHeader(HeaderFooterType.Default);
header.AddText("Monthly Report")
    .Style = new TextStyle
    {
        Font = new Font
        {
            Latin = new FontPart { FontName = "Arial", Size = 24, IsBold = true }
        }
    };

// Add table with data
var table = new Table(4, 3);
table[0, 0].AddText("Month");
table[0, 1].AddText("Revenue");
table[0, 2].AddText("Growth");

table[1, 0].AddText("January");  table[1, 1].AddText("$15,000"); table[1, 2].AddText("12%");
table[2, 0].AddText("February"); table[2, 1].AddText("$18,500"); table[2, 2].AddText("23%");
table[3, 0].AddText("March");    table[3, 1].AddText("$22,000"); table[3, 2].AddText("19%");

table.Style = new TableStyle
{
    Borders = new TableBorder(BorderValues.single, Color.Gray, 1)
};

doc.AddTable(table);

// Export to all three formats from the same DOM
doc.Save("MonthlyReport.docx");
doc.SaveAsPdf("MonthlyReport.pdf");
var htmlReport = doc.GetHTML();

Text and Paragraphs

var doc = new VDocs();
doc.LicensePath = "VDocsLicense.lic";

var text1 = doc.AddText("Add text directly to the document body in a new paragraph.");
text1.Style = new TextStyle
{
    Font = new Font
    {
        Color = Color.Red,
        Latin = new FontPart { FontName = "Arial", Size = 14, IsBold = true }
    }
};

var paragraph1 = doc.AddParagraph();
paragraph1.Style = new ParagraphStyle
{
    Indent = new ParagraphIndentation
    {
        Left  = new DocumentUnit { Inch = 1 },
        Right = 0.5
    },
    SpacingBetweenLines = new Spacing
    {
        Before = new DocumentUnit { CM = 2 },
        After  = new DocumentUnit { Point = 20 }
    }
};

paragraph1.AddText("Add text to paragraph")
    .Style = new TextStyle
    {
        TextEffect = new TextEffect
        {
            GlowEffect = new Glow
            {
                GlowRadius = 5.0,
                GlowColor  = new Color { A = 128, R = 0, G = 0, B = 255 }
            }
        }
    };

doc.Save("TextSample.docx");
doc.SaveAsPdf("TextSample.pdf");

Create a Shape

var doc = new VDocs();
doc.LicensePath = "VDocsLicense.lic";

var shape = doc.AddParagraph().AddShape(new Shape());
shape.Type = ShapeType.Triangle;

shape.Transform = new Transform
{
    Dimensions = new Dimensions { Height = 50.0, Width = 50.0 },
    Position   = new Position
    {
        X = 100.0, Y = 100.0,
        HorizontalIsAbsolute = true,
        VerticalIsAbsolute   = true,
        HorizontalRelativePosition = HorizontalRelativePositionValues.page,
        VerticalRelativePosition   = VerticalRelativePositionValues.page
    }
};

shape.Fill = new Fill
{
    SolidFill = new Color { SchemeColorValue = SchemeColorValues.Accent1, Shade = 5 }
};

shape.OutLine = new OutLine
{
    SolidFill   = new Color("FF0000"),
    CapType     = LineCapValues.Flat,
    Width       = new DocumentUnit { Point = 3 },
    CompoundType = CompoundLineValues.Single,
    Jointype    = StrokeJoinStyleValues.Round
};

doc.Save("ShapeSample.docx");

Create a Table

var doc = new VDocs();
doc.LicensePath = "VDocsLicense.lic";

var table = new Table(3, 2);
table[0, 0].AddText("Name");
table[0, 1].AddText("Age");
table[1, 0].AddText("John Smith");
table[1, 1].AddText("55");

table.Style = new TableStyle
{
    Borders = new TableBorder(BorderValues.single, new Color("acacac"), 2)
};

doc.AddTable(table);
doc.LogObjectTree();
doc.Save("TableSample.docx");

// Export the same table to PDF
doc.SaveAsPdf("TableSample.pdf");

Insert an Image

var doc = new VDocs();
doc.LicensePath = "VDocsLicense.lic";

var img1 = doc.AddImage("C:/logo.png");
img1.Transform = new Transform
{
    Dimensions = new Dimensions(150, 150, Units.pt),
    Rotation   = 90,
    Position   = new Position { X = 1.1, Y = 0.5 }
};

doc.Save("ImageSample.docx");
doc.SaveAsPdf("ImageSample.pdf");

Web Document Preview

// Server-side: Convert uploaded Word document to HTML for browser preview
public IActionResult PreviewDocument(IFormFile file)
{
    using var stream = new MemoryStream();
    file.CopyTo(stream);
    var doc = WordDocument.Load(stream);
    return Content(doc.ToHtml(), "text/html");
}

On-Demand PDF Generation

// Server-side: Stream a PDF to the browser with no temp files
public IActionResult DownloadAsPdf(IFormFile file)
{
    using var input  = new MemoryStream();
    using var output = new MemoryStream();
    file.CopyTo(input);
    var doc = WordDocument.Load(input);
    doc.SaveAsPdf(output);
    return File(output.ToArray(), "application/pdf", "document.pdf");
}

Batch Document Conversion

// Convert an entire folder of DOCX files to both HTML and PDF
public void ConvertFolder(string folderPath)
{
    foreach (var docxFile in Directory.GetFiles(folderPath, "*.docx"))
    {
        var doc      = WordDocument.Load(docxFile);
        var htmlFile = Path.ChangeExtension(docxFile, ".html");
        var pdfFile  = Path.ChangeExtension(docxFile, ".pdf");

        File.WriteAllText(htmlFile, doc.ToHtml());
        doc.SaveAsPdf(pdfFile);
    }
}

📈 Why Developers Love VDocs

✅ "Switched from OpenXML and reduced our document processing time by 70%!"

✅ "The HTML export feature saved us months of development time."

✅ "The PDF engine produces clean output with zero dependencies — no iTextSharp, no licenses."

✅ "Incredibly lightweight — our container image went from 500MB to 50MB."

✅ "The API is so much cleaner than OpenXML — our codebase is now maintainable."

📚 Documentation & Support

📖 Full Documentation — Complete API reference and guides

📧 Professional Support — Priority email support for commercial licenses

🏢 Licensing

VDocs is available under a commercial license. Free trial available for evaluation.

Get your license: https://vegarise.com/Products/VDocs

Free 30-day trial — Contact sales@vegarise.com for a trial license key or download from this link.