GroupDocs.Watermark 24.10.0

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dotnet add package GroupDocs.Watermark --version 24.10.0                
NuGet\Install-Package GroupDocs.Watermark -Version 24.10.0                
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="GroupDocs.Watermark" Version="24.10.0" />                
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add GroupDocs.Watermark --version 24.10.0                
#r "nuget: GroupDocs.Watermark, 24.10.0"                
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install GroupDocs.Watermark as a Cake Addin
#addin nuget:?package=GroupDocs.Watermark&version=24.10.0

// Install GroupDocs.Watermark as a Cake Tool
#tool nuget:?package=GroupDocs.Watermark&version=24.10.0                

.NET API for Advanced Document Watermarking

Version 24.10.0 NuGet .NET

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Docs API Ref Examples Blog Releases Support License


GroupDocs.Watermark for .NET is a versatile and powerful NuGet package designed to help developers seamlessly add, detect, customize, and remove watermarks in 40+ file formats, including PDFs, Word® documents, Excel® spreadsheets, PowerPoint® presentations, images, Visio® diagrams, and more. This robust API supports advanced watermarking features such as batch processing, dynamic watermark creation based on metadata, content-aware watermarking, and comprehensive security measures to protect sensitive documents. With cross-platform compatibility across Windows®, Linux, and macOS, and full support for .NET Framework, .NET Core, and .NET Standard, GroupDocs.Watermark for .NET is the ideal solution for integrating scalable watermarking capabilities into any .NET application, ensuring document integrity, brand protection, and compliance with legal standards.

General Watermarking Features

Add Watermarks

Add text, image, or metadata watermarks to various document formats including PDFs, Microsoft Office® files, and images.

Watermark Detection

Detect existing watermarks in documents, including both text and image-based watermarks.

Watermark Removal

Remove detected watermarks while preserving the document's original format and quality.

Watermark Management

Manage multiple watermarks within a single document, including editing, searching, and removing watermarks.

Customizable Watermark Appearance

Adjust properties such as size, color, font, opacity, rotation, and position of watermarks.

Supported Document Formats

Microsoft Office®

Watermark Word® (DOC, DOCX), Excel® (XLS, XLSX), and PowerPoint® (PPT, PPTX) files.

PDF Documents

Full support for watermarking and annotation of PDF files, including PDF/A formats.

Image Formats

Supports JPEG, PNG, BMP, TIFF, and more for image watermarking.

Visio® Diagrams

Watermark Microsoft Visio® formats such as VSD, VSDX.

OpenDocument Formats

Support for ODT, ODS, ODP, and other OpenDocument formats.

AutoCAD Files

Add watermarks to DWG, DXF formats.

Email Formats

Annotate and watermark EML, EMLX files.

HTML and HTM

Add watermarks to web-based documents.

Advanced Watermarking Capabilities

Batch Processing

Apply watermarks to multiple documents simultaneously for increased efficiency.

Content-Aware Watermarking

Apply watermarks that adapt based on the document’s content.

Dynamic Watermark Creation

Create watermarks using dynamic properties like date, time, and document metadata.

Layering and Transparency

Control the layering of watermarks, and adjust transparency to avoid obscuring content.

Conditional Watermarking

Apply watermarks based on specific triggers or document conditions.

Watermark Sensitivity

Control the sensitivity level for watermark detection.

PDF-Specific Watermarking

Page-Specific Watermarks

Apply watermarks to specific pages or all pages of a PDF document.

PDF/A Support

Fully compatible with PDF/A standards.

Password-Protected PDF Handling

Ability to add or remove watermarks in password-protected PDF files.

Microsoft Office® Watermarking

Word® Document Watermarks

Watermark Word® files across both older (97-2003) and newer (2007 and later) formats.

Excel® Sheet Watermarking

Apply watermarks to entire Excel® workbooks or specific sheets.

PowerPoint® Presentation Watermarking

Add watermarks to individual slides or entire presentations.

Image Watermarking

Multi-Frame TIFF Support

Apply watermarks to multi-frame TIFF images.

Vector Graphics Watermarks

Add scalable vector-based watermarks to images, maintaining quality upon resizing.

Security and Compliance

Document Protection

Enhance document security by adding invisible or visible watermarks to prevent unauthorized use.

Digital Signatures

Compatible with digitally signed documents, ensuring watermarking does not invalidate signatures.

Encryption Support

Apply watermarks without compromising the encryption or security of the document.

Compliance

Ensure documents meet legal and organizational standards by embedding required watermarks.

Platform and Integration

Cross-Platform Compatibility

Works across various operating systems, including Windows®, Linux, and macOS.

.NET Compatibility

Fully compatible with .NET Framework, .NET Core, and .NET Standard.

API Integration

Easily integrate with .NET applications, providing a comprehensive set of functionalities.

No External Dependencies

Operates independently without the need for third-party software installation.

Performance and Optimization

High Performance

Optimized for handling large documents and applying watermarks efficiently.

Scalable API

Suitable for large-scale watermarking tasks, capable of processing high volumes of documents.

Batch Processing

Process multiple documents in a single operation for faster watermarking.

Export and Conversion

Document Conversion

Convert watermarked documents into different formats while preserving the watermark.

Output Customization

Customize the output settings when saving watermarked documents to meet specific needs.

Supported Watermark Formats

Format Description Load Save Add Watermark Search Watermark Remove Watermark Remarks
DOC Microsoft Word® 97 - 2007 Document ✔️ ✔️ ✔️ ✔️ ✔️
DOT Microsoft Word® 97 - 2007 Template ✔️ ✔️ ✔️ ✔️ ✔️
DOCX Office® Open XML Word®processingML Document ✔️ ✔️ ✔️ ✔️ ✔️
DOCM Office® Open XML Macro-Enabled Document ✔️ ✔️ ✔️ ✔️ ✔️
DOTX Office® Open XML Word®processingML Template ✔️ ✔️ ✔️ ✔️ ✔️
DOTM Word® Open XML Macro-Enabled Document ✔️ ✔️ ✔️ ✔️ ✔️
RTF Rich Text Format File ✔️ ✔️ ✔️ ✔️ ✔️
XLSX OOXML 2007-2010 ✔️ ✔️ ✔️ ✔️ ✔️
XLSM OOXML Macro Enabled Workbook ✔️ ✔️ ✔️ ✔️ ✔️
XLTM OOXML Macro Enabled Workbook Template ✔️ ✔️ ✔️ ✔️ ✔️
XLT Microsoft Excel® Template File ✔️ ✔️ ✔️ ✔️ ✔️
XLTX Excel® Open XML Spreadsheet Template ✔️ ✔️ ✔️ ✔️ ✔️
XLS Excel® Workbook 97-2003 ✔️ ✔️ ✔️ ✔️ ✔️
PPTX OOXML Presentation ✔️ ✔️ ✔️ ✔️ ✔️
PPTM OOXML Macro Enabled Presentation ✔️ ✔️ ✔️ ✔️ ✔️
PPSX OOXML SlideShow ✔️ ✔️ ✔️ ✔️ ✔️
PPSM OOXML Macros Enabled Presentation ✔️ ✔️ ✔️ ✔️ ✔️
POTX OOXML Presentation Template ✔️ ✔️ ✔️ ✔️ ✔️
POTM OOXML Macro Enabled Presentation Template ✔️ ✔️ ✔️ ✔️ ✔️
PPT PowerPoint® Presentation 97-2003 ✔️ ✔️ ✔️ ✔️ ✔️
PPS PowerPoint® SlideShow 97-2003 ✔️ ✔️ ✔️ ✔️ ✔️
EML Email Message Format ✔️ ✔️ Watermark management is available for attached documents and images.
EMLX Apple Mail Message ✔️ ✔️ Watermark management is available for attached documents and images.
OFT Microsoft Outlook Email Template ✔️ ✔️ Watermark management is available for attached documents and images.
MSG Outlook Email Message Format ✔️ ✔️ Watermark management is available for attached documents and images.
ODT ODF Text Document ✔️ ✔️ ✔️ ✔️ ✔️
PDF PDF (Adobe Portable Document) Format ✔️ ✔️ ✔️ ✔️ ✔️ Watermark searching and removing is not available for rasterized pages.
BMP Bitmap Picture (BMP) ✔️ ✔️ ✔️
GIF Graphics Interchange Format (GIF) ✔️ ✔️ ✔️
JPG / JPEG / JPE Joint Photographic Experts Group (JPEG) ✔️ ✔️ ✔️
JP2 JPEG2000 Core Image File ✔️ ✔️ ✔️
PNG Portable Network Graphics (PNG) ✔️ ✔️ ✔️
TIFF Tagged Image File Format (TIFF) ✔️ ✔️ ✔️
WEBP WebP Image ✔️ ✔️ ✔️
VSD Microsoft Visio® 2003-2010 Drawing ✔️ ✔️ ✔️ ✔️ ✔️
VDX Microsoft Visio® 2003-2010 XML Drawing ✔️ ✔️ ✔️ ✔️ ✔️
VSDX Microsoft Visio® Drawing ✔️ ✔️ ✔️ ✔️ ✔️
VSTX Microsoft Visio® File Format ✔️ ✔️ ✔️ ✔️ ✔️
VSS Microsoft Visio® 2003-2010 Stencil ✔️ ✔️ ✔️ ✔️ ✔️
VSSX Visio® Stencil File Format ✔️ ✔️ ✔️ ✔️ ✔️
VSDM Visio® Macro-Enabled Drawing ✔️ ✔️ ✔️ ✔️ ✔️
VSSM Microsoft Visio® Macro Enabled File Format ✔️ ✔️ ✔️ ✔️ ✔️
VSTM Visio® Macro-Enabled Drawing Template ✔️ ✔️ ✔️ ✔️ ✔️
VTX VTX Chiptune File ✔️ ✔️ ✔️ ✔️ ✔️
VSX Microsoft Visio® 2003-2010 XML Stencil ✔️ ✔️ ✔️ ✔️ ✔️

System Requirements

Supported Operating Systems

Windows

2003, 2008, 2012, 2012 R2, 2016, 2019 Servers, Vista, XP, 7, 8, 8.1, 10, Microsoft Azure

Linux

Ubuntu, OpenSUSE, CentOS, Others

Supported Frameworks

  • .NET Framework: 4.5.0 to 4.8
  • .NET Standard: 2.1
  • .NET Core: 3.0, 3.1
  • .NET: 5.0, 6.0

Development Environments

  • Microsoft Visual Studio: 2012, 2013, 2015, 2017, 2019, 2022

Get Started

Are you ready to give GroupDocs.Watermark for .NET a try? Simply execute Install-Package GroupDocs.Watermark from Package Manager Console in Visual Studio to fetch & reference GroupDocs.Watermark assembly in your project. If you already have GroupDocs.Watermark for .Net and want to upgrade it, please execute Update-Package GroupDocs.Watermark to get the latest version.

Please check the GitHub Repository for other common usage scenarios.

Adding a Text Watermark to a PDF Document

This code snippet demonstrates how to add a customizable text watermark to a PDF document using GroupDocs.Watermark for .NET. The text watermark includes options for setting the font, color, size, rotation, and opacity, ensuring that the watermark is prominently displayed without obscuring the document content. This feature is particularly useful for branding or protecting PDF documents from unauthorized use.

using GroupDocs.Watermark;
using GroupDocs.Watermark.Options.Pdf;

public class AddTextWatermarkToPdf
{
    public static void Run()
    {
        // Load the PDF document
        using (Watermarker watermarker = new Watermarker("input.pdf"))
        {
            // Create a text watermark with customizable properties
            TextWatermark textWatermark = new TextWatermark("Confidential", new Font("Arial", 36));
            textWatermark.ForegroundColor = Color.Red;
            textWatermark.Opacity = 0.5;
            textWatermark.RotationAngle = 45;

            // Add the watermark to all pages of the PDF
            watermarker.Add(textWatermark);
            
            // Save the watermarked PDF document
            watermarker.Save("output.pdf");
        }
    }
}

Removing an Existing Watermark from a Microsoft Word® Document

This code snippet illustrates how to detect and remove existing watermarks from a Microsoft Word® document (DOCX) using GroupDocs.Watermark for .NET. This feature is essential for users who need to clean up documents by removing unwanted or outdated watermarks, ensuring the document remains professional and clear of any distracting marks.

using GroupDocs.Watermark;
using GroupDocs.Watermark.Options.Word&reg;;

public class RemoveWatermarkFromWord&reg;
{
    public static void Run()
    {
        // Load the Word&reg; document
        using (Watermarker watermarker = new Watermarker("input.docx"))
        {
            // Search and remove all watermarks from the document
            watermarker.Remove(WatermarkSearchCriteria.Text("Confidential"));
            
            // Save the document without the watermark
            watermarker.Save("output.docx");
        }
    }
}

Applying an Image Watermark with Transparency to a PowerPoint® Presentation

This code snippet demonstrates how to add an image watermark with adjustable transparency to a PowerPoint® presentation (PPTX) using GroupDocs.Watermark for .NET. Image watermarks are ideal for adding logos or brand images to presentations, ensuring that the visual identity of the organization is maintained while allowing the underlying content to remain visible.

using GroupDocs.Watermark;
using GroupDocs.Watermark.Options.Presentation;

public class AddImageWatermarkToPptx
{
    public static void Run()
    {
        // Load the PowerPoint&reg; presentation
        using (Watermarker watermarker = new Watermarker("input.pptx"))
        {
            // Create an image watermark with transparency settings
            ImageWatermark imageWatermark = new ImageWatermark("logo.png");
            imageWatermark.Opacity = 0.3;
            imageWatermark.ScaleFactor = 0.5;
            imageWatermark.HorizontalAlignment = HorizontalAlignment.Center;
            imageWatermark.VerticalAlignment = VerticalAlignment.Center;

            // Add the watermark to all slides of the presentation
            watermarker.Add(imageWatermark);
            
            // Save the watermarked presentation
            watermarker.Save("output.pptx");
        }
    }
}

Docs API Ref Examples Blog Releases Support License


Tags

.NET Watermarking | PDF Watermarking | Batch Watermarking | Dynamic Watermark | Content-Aware Watermark | Watermark Removal | Watermark Detection | Watermark API | Cross-Platform .NET | Document Protection | PDF/A Watermark | Office® Watermarking | Image Watermarking | Metadata Watermarking | Watermark Layering | Digital Signatures | API Integration | High Performance Watermarking | Scalable Watermarking | NuGet Package | Cross-Platform

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.1 is compatible. 
.NET Framework net45 is compatible.  net451 was computed.  net452 was computed.  net46 was computed.  net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
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NuGet packages

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21.3.0 91,631 3/29/2021
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19.5.2 1,061 6/17/2019
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18.8.0 1,349 8/7/2018
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17.12.0 1,262 12/6/2017
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17.10.0 1,232 10/10/2017