Support Environment

  • Fully written in C# and also support VB.NET
  • Applied on .NET Framework 2.0, 3.5, 3.5 Client Profile, 4.0, 4.0 Client Profile and 4.5
  • Support Windows Forms and ASP.NET Applications
  • Support 32-bit OS
  • Support 64-bit OS
  • Support PDF Version 1.2, 1.3, 1.4, 1.5, 1.6 and 1.7
  • PDF API reference in HTML
  • Be Independent and do not need Adobe Acrobat or other third party pdf libraries




  • Draw Text
  • Set Text Format(font, size, color, layout, rotate, transform, alignment, transparency)
  • Read/Extract Text(Whole Page, Certain Page, Particular Pages)


  • 14 Core Fonts
  • Type 1 Fonts
  • Type 3 Fonts
  • True Type Fonts
  • CJK Fonts
  • Unicode Support(Part)



  • Add Attachments
  • Add Attachments with Attachments Annotations
  • Remove Attachments
  • Read/Extract Attachments
  • Read/Extract Attachments with Attachments Annotations
  • Get Attachments Properties


  • Simple Table
  • Image Table
  • Nested Table
  • Export Database Table and Pictures to PDF
  • Set Table Layout



Header and Footer


Links and Actions


  • Add Fields(Text Box, Check Box, List box, Combo Box, Button, Radio Button)
  • Remove Fields
  • Edit Fields
  • Fill Fields



Feature Details

Feature Support Feature Support
Drawing Text Standards
Text Formatting PDF/ A-1b Compliance
Multilingual Support PDF/x1a: 2001 Compliance
Text Extraction (Only for .NET) Fonts
Graphics Standard Fonts
Pen and Brush CJK Fonts
Layers (Only for .NET) ** True Type Fonts
Transparent Graphics Unicode True Type
Color Spaces ** Images
Image Extraction Scalar Images
Transform Mask
Bar code (Only for .NET) Vector Images
Document Operations Watermarks
Merge Documents Data Management
Split Document (Only for .NET) ADO.Net Tables Support (Only for .NET)
Overlay Documents Rich Table Styles
Import and Stamp Table Features (Only for .NET)
Booklet Page Operations
Document Settings Headers and Footers
Custom Metadata Page Label
Document Properties Automatic Fields
Page Orientation Interactive Elements
Page Sizes Annotation
Viewer Preferences Action
Forms JavaScript
Create Form Attachment
Form Filling Bookmark
Form Export ** Security
Conversion Digital Signature
HTML to PDF Encryption
Doc To PDF (Spire.Doc required) Decryption

** Partial supported

Note: Transparent Graphics is Partial Supported for Silverlight