Spire.PDF 5.5.21
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. Spire.PDF now supprots to work on .NET core
No packages depend on Spire.PDF.
Spire.PDF 5.5.21
Fixes the issue that content was overlapped when converting PDF to Word.
Fixes the issue that system memory kept growing when extracting text.
Fixes the issue that replacing images failed.
Fixes the issue that the application threw an error "' PDFX :My ID' has invalid markup" when adding two or more custom attributes that contain space character.
Fixes the issue that the layout was incorrect when setting the row count of PDF Grid to 280.
Fixes the issue that the content was garbled when extracting text.
Fixes the issue that the application hung when converting a PDF to Image.
Fixes the issue that the application threw an error "the characters are not supported by this font" when setting the font size.
Fixes the issue that the same text was printed in duplicate when printing PDF.
.NET Framework 2.0
- No dependencies.
.NET Framework 4.0
- No dependencies.
.NET Framework 4.0
- No dependencies.
.NET Framework 4.6
- No dependencies.
.NET Core 2.0
- System.Drawing.Common (>= 4.5.0)
- System.Text.Encoding.CodePages (>= 4.5.0)
| Version | Downloads | Last updated |
|---|---|---|
| 11.5.9 | 2 | 2025/6/3 |
| 11.5.5 | 2 | 2025/5/29 |
| 11.4.10 | 2 | 2025/5/30 |
| 11.3.0 | 1 | 2025/5/30 |
| 11.2.4 | 2 | 2025/5/30 |
| 11.1.5 | 4 | 2025/5/26 |
| 11.1.0 | 2 | 2025/5/30 |
| 10.12.4 | 2 | 2025/5/30 |
| 10.11.7 | 1 | 2025/5/30 |
| 10.11.1 | 3 | 2025/5/30 |
| 10.10.5 | 2 | 2025/5/30 |
| 10.10.0 | 2 | 2025/5/30 |
| 10.9.0 | 2 | 2025/5/30 |
| 10.8.1 | 1 | 2025/5/30 |
| 10.7.21 | 1 | 2025/5/30 |
| 10.7.13 | 2 | 2025/5/30 |
| 10.6.25 | 1 | 2025/5/30 |
| 10.6.7 | 2 | 2025/5/30 |
| 10.6.0 | 2 | 2025/5/30 |
| 10.5.5 | 1 | 2025/5/30 |
| 10.4.7 | 1 | 2025/5/30 |
| 10.4.2 | 2 | 2025/5/30 |
| 10.3.16 | 2 | 2025/5/30 |
| 10.3.7 | 1 | 2025/5/30 |
| 10.2.2 | 1 | 2025/5/30 |
| 10.1.17 | 1 | 2025/5/30 |
| 10.1.0 | 1 | 2025/5/30 |
| 9.12.0 | 4 | 2025/5/30 |
| 9.11.4 | 1 | 2025/6/9 |
| 9.11.0 | 1 | 2025/5/30 |
| 9.10.2 | 1 | 2025/5/30 |
| 9.9.9 | 1 | 2025/5/30 |
| 9.9.3 | 1 | 2025/5/30 |
| 9.8.5 | 2 | 2025/5/30 |
| 9.7.17 | 1 | 2025/5/30 |
| 9.7.14 | 1 | 2025/5/30 |
| 9.7.0 | 1 | 2025/5/30 |
| 9.6.0 | 2 | 2025/5/30 |
| 9.5.4 | 1 | 2025/5/30 |
| 9.4.12 | 1 | 2025/5/30 |
| 9.4.0 | 1 | 2025/5/30 |
| 9.3.4 | 2 | 2025/5/30 |
| 9.3.2 | 2 | 2025/5/30 |
| 9.2.6 | 1 | 2025/5/30 |
| 9.2.2 | 1 | 2025/5/30 |
| 9.1.0 | 1 | 2025/5/30 |
| 8.12.7 | 1 | 2025/5/30 |
| 8.12.5 | 1 | 2025/5/30 |
| 8.11.10 | 1 | 2025/5/30 |
| 8.11.2 | 1 | 2025/5/30 |
| 8.11.0 | 2 | 2025/5/30 |
| 8.10.5 | 1 | 2025/5/30 |
| 8.9.16 | 1 | 2025/5/30 |
| 8.9.2 | 1 | 2025/5/30 |
| 8.8.6 | 0 | 2022/8/17 |
| 8.7.9 | 1 | 2025/5/30 |
| 8.7.2 | 2 | 2025/5/30 |
| 8.6.1 | 3 | 2025/5/26 |
| 8.5.0 | 0 | 2022/5/6 |
| 8.4.15 | 2 | 2025/5/30 |
| 8.3.9 | 1 | 2025/5/30 |
| 8.2.2 | 1 | 2025/5/30 |
| 8.1.4 | 0 | 2022/1/19 |
| 8.1.0 | 1 | 2025/5/30 |
| 7.12.1 | 1 | 2025/5/30 |
| 7.11.1 | 1 | 2025/5/30 |
| 7.10.4 | 1 | 2025/6/8 |
| 7.10.0 | 1 | 2025/5/30 |
| 7.9.6 | 2 | 2025/5/30 |
| 7.9.2 | 2 | 2025/5/30 |
| 7.8.8 | 1 | 2025/5/30 |
| 7.8.2 | 2 | 2025/5/30 |
| 7.7.10 | 2 | 2025/5/30 |
| 7.6.15 | 0 | 2021/6/29 |
| 7.6.1 | 2 | 2025/5/30 |
| 7.5.0 | 1 | 2025/5/30 |
| 7.4.13 | 1 | 2025/5/30 |
| 7.4.5 | 2 | 2025/5/30 |
| 7.3.3 | 1 | 2025/5/30 |
| 7.3.1 | 0 | 2021/3/12 |
| 7.2.9 | 1 | 2025/5/30 |
| 7.2.5 | 1 | 2025/5/30 |
| 7.2.0 | 1 | 2025/5/30 |
| 7.1.10 | 0 | 2021/1/15 |
| 7.1.0 | 1 | 2025/5/30 |
| 6.12.20 | 1 | 2025/5/30 |
| 6.12.10 | 2 | 2025/5/30 |
| 6.12.3 | 1 | 2025/5/30 |
| 6.11.6 | 1 | 2025/5/30 |
| 6.11.0 | 1 | 2025/5/30 |
| 6.10.9 | 2 | 2025/5/30 |
| 6.10.4 | 2 | 2025/5/30 |
| 6.10.0 | 2 | 2025/5/30 |
| 6.9.16 | 0 | 2020/9/28 |
| 6.9.0 | 3 | 2025/5/30 |
| 6.8.5 | 3 | 2025/5/30 |
| 6.8.1 | 1 | 2025/5/30 |
| 6.7.12 | 6 | 2025/5/27 |
| 6.7.8 | 1 | 2025/5/30 |
| 6.7.6 | 2 | 2025/5/30 |
| 6.7.2 | 2 | 2025/5/30 |
| 6.5.15 | 1 | 2025/5/30 |
| 6.5.9 | 1 | 2025/5/30 |
| 6.5.6 | 1 | 2025/5/30 |
| 6.4.11 | 0 | 2020/4/20 |
| 6.4.4 | 1 | 2025/5/30 |
| 6.3.16 | 1 | 2025/5/30 |
| 6.3.10 | 1 | 2025/5/30 |
| 6.3.0 | 1 | 2025/5/30 |
| 6.2.6 | 2 | 2025/5/30 |
| 6.2.1 | 1 | 2025/6/8 |
| 6.1.8 | 2 | 2025/5/30 |
| 6.1.4 | 2 | 2025/5/26 |
| 5.12.15 | 1 | 2025/5/30 |
| 5.12.3 | 1 | 2025/5/30 |
| 5.11.18 | 1 | 2025/5/30 |
| 5.11.2 | 1 | 2025/5/30 |
| 5.11.0 | 1 | 2025/5/30 |
| 5.10.8 | 2 | 2025/5/30 |
| 5.10.2 | 0 | 2019/10/11 |
| 5.9.16 | 1 | 2025/5/30 |
| 5.9.6 | 1 | 2025/5/30 |
| 5.8.16 | 2 | 2025/5/30 |
| 5.8.7 | 2 | 2025/5/30 |
| 5.8.2 | 2 | 2025/5/30 |
| 5.7.20 | 0 | 2019/7/31 |
| 5.7.0 | 2 | 2025/5/30 |
| 5.6.31 | 2 | 2025/5/30 |
| 5.6.2 | 2 | 2025/5/30 |
| 5.5.21 | 1 | 2025/5/30 |
| 5.4.21 | 1 | 2025/5/30 |
| 5.4.20 | 1 | 2025/5/30 |
| 5.4.9 | 2 | 2025/5/30 |
| 5.4.1 | 1 | 2025/5/30 |
| 5.3.8 | 2 | 2025/5/30 |
| 5.3.2 | 0 | 2019/3/11 |
| 5.2.15 | 0 | 2019/2/28 |
| 5.2.3 | 1 | 2025/5/30 |
| 5.1.33 | 0 | 2019/1/31 |
| 5.1.16 | 1 | 2025/5/30 |
| 5.1.4 | 1 | 2025/5/30 |
| 5.1.0 | 2 | 2025/5/30 |
| 4.12.8 | 1 | 2025/5/30 |
| 4.12.2 | 1 | 2025/5/30 |
| 4.11.12 | 1 | 2025/5/30 |
| 4.11.8 | 3 | 2025/5/26 |
| 4.11.5 | 1 | 2025/5/30 |
| 4.11.3 | 1 | 2025/5/30 |