Spire.PDF 3.2.31

There is a newer version of this package available.
See the version list below for details.
dotnet add package Spire.PDF --version 3.2.31
NuGet\Install-Package Spire.PDF -Version 3.2.31
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Spire.PDF" Version="3.2.31" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Spire.PDF --version 3.2.31
#r "nuget: Spire.PDF, 3.2.31"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Spire.PDF as a Cake Addin
#addin nuget:?package=Spire.PDF&version=3.2.31

// Install Spire.PDF as a Cake Tool
#tool nuget:?package=Spire.PDF&version=3.2.31

Spire.PDF for .NET is a versatile PDF library that enables software developers to generate, edit, read and manipulate PDF files within their own .NET applications. As a standalone PDF component, Spire.PDF for .NET provides users an incredible wealth of features without installing Adobe Acrobat. This component is completely written in C#, but also supports VB.NET, Windows Forms and ASP.NET.
With the Spire.PDF for .NET API, you can get the ability to read PDF text and image even attachments with high efficiency. Even the special content such as language written from right to left can be extracted such as Herbrew and Arabic. Other basic features such as text, image, table, shapes, hyperlinks, bookmark, headings, footnotes, lists, form fields, pagination, booklet barcode, attachments, transparency, annotations, actions, overlay etc all work great for users. As for security, Spire.PDF for .NET enables you to protect your PDF files by passwords and digital signature.

Product Compatible and additional computed target framework versions.
.NET Framework net20 is compatible.  net35 is compatible.  net40 is compatible.  net40-client is compatible.  net403 was computed.  net45 was computed.  net451 was computed.  net452 was computed.  net46 was computed.  net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

This package has no dependencies.

GitHub repositories (1)

Showing the top 1 popular GitHub repositories that depend on Spire.PDF:

Repository Stars
anpho/ofd2pdf
OFD->PDF转换工具(WinExe & CLI)
Version Downloads Last updated
3.3.0 466 4/24/2015
3.2.178 276 4/14/2015
3.2.165 223 4/3/2015
3.2.151 214 3/23/2015
3.2.102 672 2/12/2015
3.2.82 271 1/30/2015
3.2.60 307 1/16/2015
3.2.31 412 12/22/2014
3.2.0 765 11/17/2014
3.1.53 913 9/26/2014
3.1.24 650 8/15/2014
3.1.9 316 7/17/2014
3.0.59 253 6/24/2014
3.0.43 94 6/4/2014
3.0.27 130 5/19/2014
2.9.53 592 3/31/2014
2.9.51 86 3/21/2014
2.9.43 84 3/17/2014
2.6.0 113 2/28/2013

Spire.PDF 3.2.31
Add the feature to collapse or expand the bookmark.
Fix the issue that the saved file doesn't have the keyword in its properties after adding a keyword.
Fix the issue that the result is blank when print some pdf documents.
Fix the issue that the data in form field is lost when split pdf document.
Fix the issue that the Thai's font displays incorrectly when convert pdf to image.
Fix the issue that 'Object reference not set to an instance of an object' when convert pdf to image.
Fix the issue that 'Glyph name required for Type3 font!Source character: 13' when convert pdf to image.
Fix the issue that someone page inclined to right when convert pdf to image.
Fix the issue that the generated image is unreadable when convert pdf to image.
Fix the issue that 'Index was outside the bounds of array' when convert pdf to image.
Fix the issue that 'WE_HAVE_AN_X_AND_Y_SCALE flag not set' when convert pdf to image.
Fix the issue that some Korea's text is filled when convert pdf to image.

Spire.PDF 3.1.53
Improve the performance of converting PDF to images in WPF.
Fix the issue that the color is incorrect when converting pdf to images.
Fix the issue that some text has background color is missing when converting pdf to images.
Fix the issue that graphics are missing when converting pdf to images.
Fix the issue that unicode in pdf table doesn't work when drawing data into pdf.
Fix the issue that the color is changed when printing PDF.
Fix the issue that some characters are bold when printing PDF.
Fix the issue that the font is garbled when printing PDF.
Fix the issue that the region of content is changed when printing PDF.
Fix the error"System.OutOfMemoryException" when loading html.


Spire.PDF 3.1.24
Improve RAM consuming performance on converting XPS to PDF.
Improve time taking performance on converting PDF to Image.
Fix the error "Invalid contents array" when saving to pdf file after adding background image into pdf.
Fix the issue that some text was lost when printing PDF.
Fix the issue that the content was twisted when printing PDF.
Fix the issue that some characters were overlapping each other when printing PDF.
Fix the issue that red boxes were missing when converting PDF to Image.
Fix finding text issue in PDF was converted from DOCX by spire.doc.
Fix the error "An item with the same key has already been added" when extracting text from PDF.

Spire.PDF 3.1.9
Fix the issue that the picture was incorrect when the image was converted from the PDF file by using the SaveAsImage method.
Fix the issue that the header of table was incorrect in converted image from PDF by using the SaveAsImage method.
Fix the issue that SaveAsDrawingImage method drew a redundant page border around the image.
Fix the error "A generic error occurred in GDI+." occurred when converting PDF to XPS in WPF.


Spire.PDF 3.0.59
Bug solutions:
Fix the issue that the red boxes and text were lost in converted Image from PDF.
Fix the issue that the data was cut in converted PDF from HTML.
Fix the error "The index cannot be less than zero or greater than Count" occurred when merging pdf files.
Fix the issue that the footer of the page was not printed.
Fix the error "Arithmetic operation resulted in an overflow." occurred when drawing image in page.


Spire.PDF 3.0.43
New features:
Add new feature to draw multiple string formats in a single grid cell.
Add a property Page.ActualSize to get actual size of page.
Add new method IsBlank() to detect if the content of page is blank.

Bug Solutions:
Fix the incorrect data issue in image converted from PDF
Fix the issue that column name is incorrect in image converted from PDF.
Improve the time performance for converting HTML to PDF.
Fix the issue that PdfPageSize.A4 is not actual A4 size.
Fix the error "Object reference not set to an instance of an object." caused in merging pdf files.
Fix the issue that the page is added to the end of the existing pdf when adding a blank page to the beginning of an existing PDF
Fix the issue that it adds additional horizontal scroll bar in HTML converted from PDF



Spire.PDF 3.0.27
New features:
Add new feature to convert html string to PDF.
Add new feature pdf.SaveAsDrawingImage(pageIndex); to save pdf as DrawingImage for WPF

Bug Solutions:
Fix the error "object reference not set to an instance of an object" caused in converting PDF to Image.
Fix the blank output PDF issue after converting HTML to PDF.
Fix the "Out of memory" exception when using TrueType fonts embedded in the pdf file.
Fix the error "Parameter is not valid" caused in converting PDF to XPS.
Fix the issue that the pages render with a strange space in the beginning of the file when displaying PDF file inside a Print Preview Dialog.
Fix losing the fonts issue after merging two pdf files.



Spire.PDF 2.9.51--When convert XPS to PDF, the error of missing letters has been fixed.

Spire.PDF 2.9.43 this time offers you a smooth experience with extract image from PDF file.
Bug solutions:

   Fixed a bug that PdfPageBase.ExtractImages() method did not refresh the image list after adding new images to PDF.
   Fixed a bug that the pixel of the extracted images using PdfPageBase.ExtractImages() method was changed.