.NET PDF Library - Edit PDFs Using C#
- Effortlessly add, remove, and rearrange pages in a PDF document.
- Apply watermarks and stamps to PDFs with ease.
- Easily insert, delete, extract, and replace images in PDF documents.
- Add or remove attachments in PDF files.
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Overview
The Syncfusion® .NET PDF Library allows you to edit PDF documents on the fly. Using this library, you can also add text, images, graphics, or shapes to a PDF. This library was designed to integrate seamlessly into your applications, giving you all the functionality you need to work with PDFs.
How do you add a watermark in a PDF document using C#?
This example shows how to add a watermark in a PDF document using C# with the Syncfusion® PDF Library.
Editing features
Explore the various options that are available to edit PDFs.
Apply a Watermark or Stamp
Stamps and watermarks can be applied with simple text. They can also be applied with more complex designs and advanced customizations, such as:
- Apply a watermark or stamp with text and images.
- Stamp with opaque images or rotated content.
- Stamp and merge or split documents.
- Stamp encrypted documents.
Replace Fonts
When you edit a PDF document, you might need to change the fonts to match your current theme or to change an outdated PDF document according to the current trends. Embedded or standard fonts in an existing document can be replaced with alternate resources.
Replace Images
The Syncfusion® PDF Library enables the seamless replacement of images in PDF files programmatically, supporting tasks such as identifying target images, preparing new images, and integrating them into the document with precise positioning and dimensions.
Extract Data
You can extract various kinds of data from PDF documents such as text, images, and attachments.
Reorder pages
The Syncfusion PDF library allows you to reorder the existing PDF file pages for better organization and management of document content.
Explore edit PDF resources
Discover valuable resources from our blog and knowledge base on editing PDF documents.
Explore these resources for comprehensive guides, knowledge base articles, insightful blogs, and ebooks.
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Frequently Asked Questions
What do you mean by editing a PDF?
Editing a PDF involves making changes to its content, structure, or properties, such as modifying text, adding or removing images, adjusting layouts, applying annotations, or managing security settings, often done programmatically.
Can I extract specific content, such as text or images?
Yes, you can extract specific content like text or images from a PDF document programmatically, enabling tasks such as data analysis, content reuse, or integration into other applications.
Is it possible to add images or graphics to a PDF file programmatically?
Yes, it is possible to programmatically add images or graphics to a PDF file using the Syncfusion® PDF Library. Developers can enhance documents with visual elements efficiently and flexibly.
Can I add image watermarks?
Yes, you can add image watermarks to PDF documents programmatically, allowing for customized branding or identification, using the Syncfusion® PDF Library.
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