Manipulate PDF

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Add a link to PDF with an external destination
This code sample helps adding an external link to your PDF. Read this code sample or search our code sample base.
Add a link with an internal destination to PDF
This code sample helps with internal links in a PDF. Read this Tall Components code sample or search our code sample base.
Add a note to PDF
This code sample shows how to add a note to a PDF document. Read this Tall Components code sample or search our code sample base.
Add bookmarks to PDF
This code sample shows how to create bookmarks in an existing PDF document. Read this code sample or search our code sample base.
Add simple html text to PDF
The SimpleXhtmlShape lets you add text with simple HTML mark-up to a PDF document. Read or search our code sample base.
Add hyperlink to PDF
This code samples draws a hyperlink on an existing PDF page. Read this code sample or search our code sample base.
Add multiline text to a PDF document
The MultilineTextShape lets you add multiline text to PDF with mixed formatting and line-breaking. Read this code sample or search our code sample base.
Add a rubber stamp annotation with a custom icon
This article shows how to create a customized rubber stamp annotation. Read this code sample or search our code sample base.
Add single-line text to PDF
TextShape allows you to add single-line text to a PDF document. Read this Tall Components code sample or search our code sample base.
Add Stamp to PDF
This code sample shows how to stamp a PDF in C#. You can stamp images and watermarks to your PDF for example.
Add text field to PDF
This code sample illustrates how you can add TextFields to your PDF. Read this Tall Components code sample or search our code sample base.
Append multiple PDF documents
This code sample illustrates to loop through a given folder and append each PDF documents found into a new generated PDF document.
Append two or more existing PDF files
The following code sample shows how to append PDF files. Read this Tall Components code sample or search our code sample base.
Change the formatting of a numeric field
This code sample changes the format by changing the JavaScript of the action. Read or search our code sample base.
Change page orientation PDF
Code sample to change the page orientation PDF. Read this Tall Components code sample or search our code sample base.
Convert PDF to plain text
The following code sample shows how to convert the collection of glyphs on a PDF page to a text string. Read or search our code sample base.
Create formfields in PDF documents
This codesample shows how you can create different types of formfields in PDF. Read this code sample or search our code sample base.
Create a new digitally signed PDF document
This code sample creates a new PDF document, adds a signature fields, and then digitally signs it. Read or search our code sample base.
Determine if a PDF only contains images
The following sample code determines whether a PDF document only contains images (and not other shapes such as text fragments).
How to downscale all images in a PDF
This code sample shows how to downscale images in a PDF file. Read this Tall Components code sample or search our code sample base.
How to downscale all images in a PDF
This code sample shows how to downscale images in a PDF file. Read this Tall Components code sample or search our code sample base.
Draw interactively on a PDF page
This article allows users to interactively draw lines on PDF pages and save the resulting document. Read this or search our code sample base.
How to embed files in a PDF document
This code sample shows how to add embedded files (attachments) to a PDF document. Read this code sample or search our code sample base.
Fill in a template PDF document
This code sample shows you how you can import a template document and fill it in with data from a database.
Fill PDF form
This code sample shows how to assign values to various types of PDF form fields. Read this code sample or search our code sample base.
Fit image to PDF page
This code sample shows how to stamp an image on a PDF page and have the image fit to the size of the page. Read this code sample.
Flatten Markup Annotation
This article illustrate how to turn markups to images by flatten markups. Read this code sample or search our code sample base.
Highlight fields in PDF
This code sample shows how to mark all fields in a PDF document. Read this Tall Components code sample or search our code sample base.
How to add autosized text to PDF
This code sample shows you how you can add a piece of auto-sized text to your PDF document. Read or search our code sample base.
Merge PDF files in C# .NET
In the following code sample you can see how you can easily merge PDF files into one. Read this code sample or search our code sample base.
How to reduce PDF file size
Adobe Acrobat has an option to save a document with a reduced size. This article shows how to reduce pdf file size with PDFKit.NET.
Rotate a PDF page
This code sample creates a copy of a PDF document with each page rotated 90 degrees. Read or search our code sample base.
Search text in PDF
This article shows how to search a PDF for text in C# using the Document. Read this code sample or search our code sample base.
PDF Viewer Preferences
The following code sample shows how to set the viewer preferences of a PDF document. Read or search our code sample base.
Split PDF pages in C# and VB.NET
The following code sample shows how to split PDF pages in C# and VB.NET. Read this code sample or search our code sample base.
How do I use PDFControls.NET in a WPF application
This code sample shows you how PDFControls.NET can be used in a WPF application. Read this code sample or search our code sample base.
How to use a system font for rendering text
This code sample shows how you can render text using a system font. Read this Tall Components code sample or search our code sample base.
Verify a custom digital PDF signature
In the article we explain how to verify a custom digital PDF signature. Read this Tall Components code sample or search our code sample base.