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) 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, PDF text/attachment/image extract, PDF merge/split, metadata update, section, graph/image drawing and inserting, table creation and processing, and importing data etc. Besides, Spire.PDF for .NET can be applied to easily converting Text, Image and HTML to PDF with C#/VB.NET in high quality.

Pro Edition

Spire.PDF for .NET can be applied to easily converting Text, Image and HTML to PDF with C#/VB.NET in high quality.

Main Functions

High Fidelity Pdf file Conversion

Spire.PDF for .NET supports converting HTML, XPS, Text and Image to PDF documents with efficient performance. Developers can transform PDF to Word, XPS, SVG, EMF, JPG, PNG, BMP, TIFF, HTML, PostScript, PCL (Printer Command Language), Text format. Furthermore, along with Spire.Doc for .NET and Spire.XLS for .NET, developers can convert Word (Doc/Docx), Excel (Xls/Xlsx) and XML to PDF.

Easily Manipulate document and Form fields

Spire.PDF for .NET offers the facility to merge/split PDF documents and overlay documents. Meanwhile, Spire.PDF for .NET can provide import and stamp feature, booklet feature and form filling which can help users read value from form fields and populate a database.

Security features

Spire.PDF for .NET can protect PDF documents by setting passwords, adding digital signature and including timestamp in signature. User password and owner password can determine the encrypted PDF documents readability, modifiability, printability and other selective restrictions. Meanwhile, digital signature, as a more effective method, can be applied to safeguard and authenticate PDF documents.

Extract data from Pdf documents

Spire.PDF for .NET can be used to extract images, text, pages and attachments from a PDF document with great speed and accuracy.

Document Settings features

Document information can be set with Spire.PDF for .NET including custom metadata, document properties, page orientation, and page size. Wherein, document properties consist of document restrictions (printing, document assembly, page extraction, comment etc. allowed or not) and document description about file title, author, subject, keywords and so on. By using Spire.PDF for.NET, viewer preferences can be set with position, title display, resize, page mode and print scaling etc.

Features

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,4.5 and .NET Standard 2.0
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

Conversion

Convert Webpage HTML, HTML ASPX to PDF
Convert Image(Jpeg, Jpg, Png, Bmp, Tiff, Gif, EMF, Ico) to PDF
Convert Text to PDF
Convert PDF to HTML
Convert XPS to PDF
Convert PDF to SVG
Convert PDF to XPS
Convert PDF to Image
Convert PDF to Word

Security

Encrypt PDF(Owner Passwords and User Passwords)
Decrypt PDF
Create PDF Digital Signature
Modify PDF Passwords(Owner Passwords and User Passwords)

Text

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

Fonts

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

Images

Draw Image
Draw Special Shapes(lines, Rectangles, Circles, Arcs, Ellipses, Five-Pointed Star)
Read/Extract Images(Jpeg, Jpg, Png, Bmp, Tiff, Gif, EMF, Ico)

Attachments

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

Tables

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

Bookmarks

Add Bookmarks
Add Child Bookmarks
Get Bookmarks
Get Child Bookmarks
Clear Bookmarks
Modify Bookmarks
Modify Child Bookmarks

List

Simple List
Ordered List
Multiple levels List

Header and Footer

Add Text in Header
Add Text in Footer
Add Image in Header
Add Image in Footer

Watermark

Add Text Watermark
Add Image Watermark
Modify Text Watermark
Modify Image Watermark

Links and Actions

Add Hyperlinks(Plain Link and Anchor Link)
Work with Action
Work with Javascript Action
Work with Action Chain
Work with Action Annotation

FormField

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

Pages

Add PDF Pages
Add Empty Page in PDF
Delete PDF Pages
Read/Extract PDF Pages
Set Page Number
Get Page Count
Paginate Pages
Set Page Transition
Set Page Label
Set Page Orientation
Set Page Transparency
Set Page Overlay
Create PDF Booklet
Draw PDF Barcode

Document

Set PDF Properties
Set PDF View Preference
Set PDF Template
Merge PDF Files
Split PDF File(by one page and any range of pages)

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