GroupDocs.Conversion is an enterprise-grade document conversion API. Convert 80+ file formats (PDF, Word, Excel, PowerPoint, images, email, CAD, HTML, Visio, Project, and more) with high fidelity, flexible page selection, watermarking, caching, and security options for server-side and embedded workflows.

• Published GroupDocs.Conversion 25.12 on NuGet and Maven — performance boosts for PDF/Office to PDF, better fonts fallback, and leaner HTML output.
• Added sample flows for DOCX to PDF with watermarks and CAD to PDF in .NET examples.
• New guides on page-range conversion, caching, and password-protected documents at GroupDocs.Conversion Blog.

High-performance APIs for converting Office, PDF, images, CAD, email, HTML, Visio, and Project documents on .NET Framework and .NET Core.

• GroupDocs.Conversion-for-.NET: Core API with advanced conversion options, caching, and watermarking.
• Live Demos: UI samples powering the hosted demo apps.

// Quick .NET Conversion Example (DOCX -> PDF, select pages + watermark)
using (Converter converter = new Converter("sample.docx"))
{
    var options = new PdfConvertOptions
    {
        Pages = new List<int> { 1, 3 },
        Watermark = new WatermarkOptions("Confidential")
    };
    converter.Convert("converted.pdf", options);
}

Native Java library for high-fidelity conversions across Office, PDF, images, email, CAD, HTML, and more.

• GroupDocs.Conversion-for-Java: Full Java API with page-level control, watermarking, and caching hooks.

// Quick Java Conversion Example (XLSX -> PDF, specific sheets)
try (Converter converter = new Converter("report.xlsx")) {
    PdfConvertOptions options = new PdfConvertOptions();
    options.setSheets(new int[] {1, 2});
    converter.convert("report.pdf", options);
}

Cross-platform Node.js integration wrapping the Java engine for unified conversions in JavaScript apps.

• GroupDocs.Conversion-for-Node.js-via-Java: Runnable Node.js samples for Office/PDF/image conversions.

// Quick Node.js Conversion Example (PDF -> DOCX)
const groupdocs = require('@groupdocs/groupdocs.conversion');

async function run() {
  const converter = new groupdocs.Converter('contract.pdf');
  const options = new groupdocs.DocxConvertOptions();
  await converter.convert('contract.docx', options);
}

run().catch(console.error);

Python scripts powered by the .NET engine for batch conversions and automation.

• GroupDocs.Conversion-for-Python-via-.NET: Python API for Office, PDF, image, email, and CAD conversion tasks.

# Quick Python Conversion Example (PDF -> JPG, page range)
from groupdocs.conversion import Converter
from groupdocs.conversion.options.convert import ImageConvertOptions

with Converter("slides.pdf") as converter:
    options = ImageConvertOptions(format="jpg")
    options.pages = [1, 2, 3]
    converter.convert("slides-page-{0}.jpg", options)

• PDF/Office to PDF/A for compliance: Standardize outputs for archiving and e-discovery.
• Bid & proposal packaging: Merge sources to PDF, add watermarks, and lock outputs.
• Engineering drawing exchange: CAD to PDF with layer/layout selection.
• Email records management: MSG/EML to PDF with attachments preserved.
• Web-ready renditions: HTML, PNG/JPG previews for portals and review apps.

• 80+ formats: DOCX, PDF, XLSX, PPTX, HTML, MSG/EML, CAD, Visio, Project, images.
• High fidelity: Preserve layout, fonts, images, vector graphics, and metadata.
• Page control: Convert specific pages, ranges, or N consecutive pages.
• Watermark & protect: Add text/image watermarks; handle password-protected files.
• Performance & scale: Caching hooks, streaming, and linearized PDF output.
• Content cleanup: Remove annotations/attachments; grayscale or optimize outputs.
• Info retrieval: Extract document info (page count, author, creation date, etc.).

• Documentation: Full guides and tutorials at docs.groupdocs.com/conversion.
• Support: Expert help at the GroupDocs Free Support Forum.
• Evaluation: Get a Temporary License for full feature testing.
• Live Demo: Try conversions online at GroupDocs.Conversion apps.

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