Add Watermark to EXCEL in C# .NET
Add text or image watermark to EXCEL files within C#, ASP.NET, VB.NET, .NET Core, Xamarin and Mono based applications. Use advance watermark management & manipulation features to add various watermark types to PDF, Word, Excel, PowerPoint, Visio diagrams, Email attachments, animates GIFs, multi-page TIFF and raster image formats without using any other watermark tool or software. Choose to add watermark to whole EXCEL document, specific pages or a particular section on the pages, as you require. Images in documents can also be protected with watermarks.
DownloadAdd Image Watermark to EXCEL in .NET
Conholdate.Total for .NET makes it easy for .NET developers to add image watermark to EXCEL files by following a few easy steps.
- Instantiate Watermarker with input EXCEL document
- Use watermark image path as constructor parameter of ImageWatermark class
- Set the watermark size and alignment
- Add watermark to the watermarker and create output document
Download .NET Watermark API
The below code example requires GroupDocs.Watermark namespace to insert image watermark to EXCEL and other supported document formats on all popular operating systems such as Windows, Linux or macOS while using Windows Azure, Mono and Xamarin platforms.
Get the respective files from downloads or fetch the whole package from NuGet to add Conholdate.Total directly in your workspace.
Add Text Watermark to EXCEL in .NET
The below code example demonstrates how to add text watermark to a EXCEL file using a few lines of C# code. It will insert watermark to all the pages of the supported document formats.
- Instantiate Watermarker with input EXCEL document
- Initialize the Font to be used for watermark
- Create the TextWatermark object
- Set watermark properties (alignment, color etc)
- Add watermark to the watermarker and generate output document
Watermark Photos and Documents
The .NET Watermark library is an all-in-one watermarks management solution to insert different types of customized watermarks to photos, images and confidential documents. Set watermark to all attachments in a PDF, email or an Excel file. Programmatically protect text watermark in documents using unreadable characters.
The supported watermark types include XObject, Artifact, Annotation, Shape, text and image.
What is EXCEL file format?
Excel is an immensely popular spreadsheet software program developed by Microsoft Corporation. Its file format, a binary file format, stores data in worksheets comprising cells organized into rows and columns. Excel files typically possess either a .xlsx or .xls file extension. Within these files, one can find an array of data types including numbers, text, formulas, charts, and images. The file format also supports a plethora of formatting options, ranging from font styles, colors, and borders to conditional formatting that permits users to apply distinct formatting based on specific criteria.
The multifaceted nature of Excel files renders them invaluable for various tasks, including financial analysis, budgeting, and data analysis. When faced with large amounts of data, Excel provides an efficient means of organization and manipulation. Additionally, it serves as a versatile tool for creating visually appealing charts and graphs that facilitate data visualization.
Apart from the standard Excel file format, several other formats are commonly employed alongside it. For instance, CSV (Comma Separated Values) files enable the seamless import and export of data between diverse software applications. XML (Extensible Markup Language) files, on the other hand, allow structured data storage and exchange.
Excel’s enduring popularity stems from its user-friendly interface and extensive range of features. Its functionalities empower users to perform complex calculations, generate reports, and automate repetitive tasks. Whether you’re a professional in finance, data analysis, or simply an individual looking to effectively organize information, Excel remains an indispensable tool for achieving these objectives.
LearnPopular Document Watermark Options with .NET
(Portable Document Format)
(Word Processing Files)
(Spreadsheet Files)
(Digital Image Files)
(Email Files)
(Visio Diagram Files)
(Microsoft Word Binary Format)
(Office 2007+ Word Document)
(Microsoft Word 2007 Marco File)
(Microsoft Word Template Files)
(Microsoft Word 2007+ Template File)
(Microsoft Word Template File )
(Rich Text Format)
(Microsoft Excel Spreadsheet (Legacy))
(Macro-enabled Spreadsheet)
(Open XML Workbook)
(Excel 97 - 2003 Template)
(Excel Macro-Enabled Template)
(Excel Template)
(Microsoft PowerPoint 97-2003)
(Open XML presentation Format)
(Macro-enabled Presentation File)
(PowerPoint Slide Show)
(PowerPoint Slide Show)
(Macro-enabled Slide Show)
(Microsoft PowerPoint Template Files)
(Microsoft PowerPoint Template Presentation)
(Microsoft PowerPoint Template File)
(E-Mail Message)
(Apple Mail Message)
(Outlook File Template)
(Outlook Message Item File)
(OpenDocument Text File Format)
(Bitmap Image File)
(Graphical Interchange Format)
(Joint Photographic Expert Group Image)
(Joint Photographic Expert Group Image)
(JPEG 2000 Core Image)
(Portable Network Graphic)
(Tagged Image File Format)
(Raster Web Image Format)
(Visio Drawing File)
(Vector Design eXchange)
(Visio Macro-Enabled Drawing)
(Visio Drawing)
(Visio Stencil File)
(Visio SmartShape Master)
(Visio Stencil File)
(VST Audio Plugin)
(Visio Macro-Enabled Drawing Template)
(Visio Drawing Template)
(Visio Stencil XML File)
(Anim8or 3D Model)
(Outlook Offline Data File)
(Icon File)
(Scalar Vector Graphics)
(Compressed Scalable Vector Graphics)
(Photoshop Large Document Format)
(LaTeX Source Document)
(Truevision Graphics Adapter)
(XML Paper Specifications)
(OpenDocument Standard Format)
(OpenDocument Standard Format)
(OpenDocument Presentation Format)
(Text Document)
(Markdown Language)
(Photoshop Document)
(Comma Seperated Values)
(Data Interchange Format)
(Device Independent Bitmap)
(Web Files)
(Hypertext Markup Language File)
(MHTML Web Archive)
(DICOM Image)
(Windows Compressed Enhanced Metafile)
(Printer Command Language Document)
(Windows Metafile)
(Open eBook File)
