Spire.PDF Program Guide

Spire.PDF for .NET is a professional PDF API applied to creating, writing, editing, handling and reading PDF files without any external dependencies within .NET (C#, VB.NET, ASP.NET, .NET Core, .NET 5.0, .NET 6.0, .NET 7.0, MonoAndroid and Xamarin.iOS) application. Using this .NET PDF library, you can implement rich capabilities to create PDF files from scratch or process existing PDF documents entirely through C#/VB.NET without installing Adobe Acrobat.

Many rich features can be supported by the .NET PDF API, such as adding digital signature, including timestamp in signature, adding dynamic/image stamp, adding text/image watermark, creating PDF Portfolio, extracting text/attachment/images, PDF merging/spliting, metadata updating, section, graph/image drawing and inserting, table creation and processing, cropping pages, copying pages, and importing data etc.

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Conversion C#/VB.NET: Convert HTML to PDF C#/VB.NET: Convert Text Files to PDF C#/VB.NET: Convert Images to PDF Convert XPS Files to PDF format in C# C#/VB.NET: Convert PDF to Images (JPG, PNG, BMP) C#/VB.NET: Convert PDF to XPS or XPS to PDF Convert Multipage Image to PDF in C# Convert PDF Page to Image with Specified Resolution C#: Convert PDF to TIFF or TIFF to PDF C#/VB.NET: Convert PDF to Word C#/VB.NET: Convert PDF to PDF/A Covert PDF to EMF image file format in C# C#/VB.NET: Convert PDF to SVG Keep high quality image when convert XPS to PDF in C# Convert PDF Page to SVG in C#/VB.NET C#: Convert PDF to HTML Convert PDF to SVG with Custom Width and Height Convert the PDF to word, HTML, SVG, XPS and save them to stream Convert PDF to PCL in C#/VB.NET C#/VB.NET: Convert PDF to PostScript (PS) C#/VB.NET: Convert SVG to PDF C#/VB.NET: Convert PDF to Excel C#/VB.NET: Convert PDF to Grayscale (Black and White) C#/VB.NET: Convert PDF to Linearized C#/VB.NET: Convert PDF to PowerPoint C#/VB.NET: Convert Multiple Images into a Single PDF C#: Convert PDF to Markdown C#: Convert HTML to PDF using ChromeHtmlConverter	Document Operation C#/VB.NET: Split PDF into Multiple PDF Files C#/VB.NET: Find and Remove Blank Pages from PDF C#/VB.NET: Merge PDF Documents C#/VB.NET: Set or Get PDF Properties Create/Send PDF Dynamically to Client Browser Using ASP.NET C#/VB.NET: Change PDF Version Create PDF/A and insert hyperlink to image Save/Load PDF file to/from Stream in C# Merge Multiple File Types into One PDF in C#/VB.NET Insert a new PDF page to an existing PDF at a specified index Set XMP Metadata of a PDF Document in C#/VB.NET C#/VB.NET: Create a Table of Contents (TOC) in PDF Open a PDF file at a specific zoom factor/percentage Create PDF/A-1a file in C# C#/VB.NET: Compress PDF Documents C#/VB.NET: Add, Hide or Delete Layers in PDF Show or Hide PDF Layers in C# Detect if a PDF File is a Portfolio in C#/VB.NET Detect if a PDF file is PDF/A in C# C#/VB.NET: Create a PDF Portfolio Download PDF Document from URL in C#/VB.NET C#/VB.NET: Create a Tagged PDF Document C#/VB.NET: Create a PDF Document C#: Compare PDF Documents
Page Setting C#/VB.NET: Add Background Color or Background Image to PDF Paginate PDF File in C#/VB.NET C#/VB.NET: Set Viewer Preferences and Zoom Factors for PDFs Create PDF Booklet in C#/VB.NET C#/VB.NET: Delete Pages from PDF Apply PDF Page Transitions in C# C#: Get the Number of Pages in a PDF File Insert an empty page in a PDF file in C# Add image as page background in PDF file Duplicate a Page within a PDF Document in C#/VB.NET C#/VB.NET: Change PDF Page Size Automatically Display Bookmarks or Thumbnails When PDF is Opened in C#/VB.NET C#/VB.NET: Rotate Pages in PDF Enlarge PDF Margins without Changing Page Size in C#/VB.NET Set page transitions for existing PDF document in C#/VB.NET C#: Add Page Numbers to a PDF Document C#/VB.NET: Rearrange Pages in PDF Add a Tiled Background Image to PDF in C#/VB.NET Horizontally and Vertically Split a PDF Page into multiple Pages in C# Get PDF Page Labels in C# Get PDF page size in C# C#/VB.NET: Adjust the Margins of a PDF Document C#: Get Page Size, Orientation and Rotation of PDF C#: Crop Pages in PDF C#: Copy Pages in PDF	Text Draw Text in PDF with Different Styles C#: Add Barcodes to PDF Draw Text in PDF Document in Silverlight C#: Find and Highlight Text in PDF Add underline text in PDF in C# Insert a Line Break in PDF Grid Cell in C#/VB.NET Embed private font to pdf document Draw right to left text on PDF in C# Add simplified and traditional Chinese characters to PDF Apply multiple font styles for the text on PDF in C# Get the font information of text in PDF C#: Get Coordinates of Text or an Image in PDF Replace font(s) in PDF document Insert HTML Styled Text to PDF in C#/VB.NET C#/VB.NET: Create a Multi-Column PDF Draw Superscript and Subscript Text in PDF in C# C# add tooltip to the searched text on PDF C#: Replace Text in a PDF Document Add Line Numbers to a PDF in C#/VB.NET
Table C#/VB.NET: Create Tables in PDF Draw PDF Table in C#/VB.NET Set Table Layout in PDF in C#/VB.NET Set the Color of Grid Border in PDF in C# Merge cells in grid via Spire.PDF Set the Border Color of Table in PDF in C# Set Row Height in PDF Table in C# Embed a Grid into a Grid Cell in PDF in C# Delete Rows and Columns from a PDF Grid in C# Repeat the header rows in PDF table in C#/VB.NET C#/VB.NET: Extract Tables from PDF C#/VB.NET: Extract Tables from PDF to Excel	Action Add Action Chain to PDF in C# Open a PDF document at a specific page in C#/VB.NET Link to files with relative paths using PdfLaunchAction Embed sound file in PDF by creating sound action Reset the values of PDF form fields in C# Add a Print Button to a PDF Document in C# Create Navigation Buttons in PDF in C#/VB.NET Create a GoToE Action to an Embedded PDF File
Security C#/VB.NET: Add or Remove Digital Signatures in PDF C#: Verify or Get Digital Signatures in PDF C#/VB.NET: Digitally Sign PDF with Text or/and Image C#/VB.NET: Change Security Permissions of PDF Documents Detect whether a signed PDF was modified or not using C# Detect if a PDF document is password protected in C#/VB.NET Add signature field to PDF Get all certificates in a PDF signature Add Expiry Date to PDF Files in C#/VB.NET C#/VB.NET: Encrypt or Decrypt PDF Files Digitally Sign PDF with Timestamp Server in C#/VB.NET Detect if the PDF file is password protected in C#	Form Field C#/VB.NET: Create, Fill, or Remove Fillable Forms in PDF Set all fields on a form to read only Add form field to an existing PDF via Spire.PDF Set the font and color for the text on PDF Combo Box Add Tooltip for PDF Form Field in C#/VB.NET Format Textbox Field using JavaScript in C#/VB.NET C#/VB.NET: Extract Form Field Values from PDF Detect the Required Form Field in PDF in C#/VB.NET Fill XFA Form Fields in C#/VB.NET C#/VB.NET: Flatten Form Fields in PDF Set "Commit selected value immediately" property for ComboBox field and ListBox field Assign an Icon to a PDF Button Field and Set Icon Layout in C# C#: Import and Export PDF Form Data
Header and Footer Add PDF Footer in C#/VB.NET Add Header in PDF with C#/VB.NET C#/VB.NET: Add a Header to an Existing PDF Document C#/VB.NET: Add a Footer to an Existing PDF Document	Bookmark C#/VB.NET: Add, Edit, or Delete Bookmarks in PDF C#/VB.NET: Get Bookmarks of PDF Documents Delete bookmark from the PDF document in C# C#: Expand or Collapse Bookmarks in PDF Modify Bookmarks in Existing PDF in C#/VB.NET Set inherit zoom property for PDF bookmarks
Shapes Draw Rectangles in PDF in C#/VB.NET Draw Circles in PDF in C#/VB.NET Draw PDF Arc in C#/VB.NET Draw Ellipses in PDF in C#/VB.NET Draw Special Shapes in PDF Set Graphic Overlay in PDF File Create Spot Color in PDF in C#/VB.NET	Image C#/VB.NET: Insert, Replace or Delete Images in PDF Set Transparency for PDF Image in C#/VB.NET Insert an Image to PDF Grid Cell in C# Split TIFF Image and Convert to PDF Document Embed 3D Interactive Graphics into PDF Document Change the image on button field in C# Extract Image from Signature in PDF
Watermark C#/VB.NET: Add Text Watermarks to PDF C#/VB.NET: Add Image Watermarks to PDF	Attachments C#/VB.NET: Add or Remove Attachments in PDF C#/VB.NET: Extract Attachments from PDF
Link C#/VB.NET: Insert Hyperlinks into Existing Text in PDF Extract and Update link from a PDF file C#/VB.NET: Change or Delete Hyperlinks in PDF	Extract/Read C#/VB.NET: Extract Text from PDF Documents C#: Extract Images from PDF Documents Extract Image from PDF and Save it to New PDF File in C#
Annotation C#: Add Various Types of Annotations to PDF Delete Annotation from PDF files in C# Modify and Format Annotation in PDF in C#/VB.NET C#: Add a Stamp to a PDF Document	Print C#/VB.NET: Print PDF Documents Print Multiple PDF Pages per Sheet and Print Single PDF Page to Multiple Sheets in C# Show Print Preview of PDF file in C# Print PDF pages to booklet in C#
List C#/VB.NET: Create Lists in PDF Documents

News Category

Conversion

Document Operation

Page Setting

Text

Table

Action

Security

Form Field

Header and Footer

Bookmark

Shapes

Image

Watermark

Attachments

Link

Extract/Read

Annotation

Print

List