Spire.PDF 6.12.3
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, MonoAndroid and Xamarin.iOS platforms.
No packages depend on Spire.PDF.
Spire.PDF 6.12.3
New features:
Supports adding page label(SPIREPDF-3736)
//When PDF file doesn't have page labels
PdfDocument doc = new PdfDocument(inputFile);
doc.PageLabels = new PdfPageLabels();
doc.PageLabels.AddRange(0, PdfPageLabels.Decimal_Arabic_Numerals_Style, "label ");
doc.SaveToFile(outputPDF);
//When PDF file has page labels
PdfDocument doc = new PdfDocument(inputFile);
PdfPageLabels label = doc.PageLabels;
label.AddRange(2, PdfPageLabels.Decimal_Arabic_Numerals_Style, "new label ");
doc.SaveToFile(outputPDF);
Supports converting PDF to PDFX1A(SPIREPDF-993,SPIREPDF-3652)
PdfStandardsConverter converter = new PdfStandardsConverter("in.pdf");
converter.ToPdfX1A2001("out.pdf");
Supports customizing text/image's locations when adding digital signatures(SPIREPDF-3284,SPIREPDF-3649)
signature.ConfigureCustomGraphics(DrawGraphics);
private void DrawGraphics(PdfCanvas g)
{
g.DrawString("Signed by:Tom", new PdfFont(PdfFontFamily.Helvetica, 12f), PdfBrushes.Red, new Rectangle(0, 0, 120, 20));
string inputFile = "C:/image.png";
PdfImage img = PdfImage.FromFile(inputFile);
g.DrawImage(img, 0, 60, 150, 50);
}
Fixes bugs:
Fixes the issue that the signed PDF could not be opened with foxit reader (SPIREPDF-844)
Fixes the issue that the application threw "out of memory" exception when retrieving images (SPIREPDF-1620)
Fixes the issue that the content was incorrect when converting PDF to image (SPIREPDF-2681)
Fixes the issue that the annotations were missing when converting PDF to Tiff(SPIREPDF-3640)
Fixes the issue that the images were missing when printing PDF (SPIREPDF-3759)
Fixes the issue that content overlapped when adding superscript and parenthesis in PdfGrid cell.(SPIREPDF-3776)
.NET Framework 2.0
- No dependencies.
Xamarin.iOS 0.0
- System.Runtime.CompilerServices.Unsafe (>= 4.6.0)
- System.Buffers (>= 4.5.0)
- System.Memory (>= 4.5.3)
- System.Text.Encoding.CodePages (>= 4.6.0)
- SkiaSharp (>= 1.68.0)
MonoAndroid 0.0
- System.Memory (>= 4.5.3)
- System.Buffers (>= 4.5.0)
- System.Text.Encoding.CodePages (>= 4.6.0)
- SkiaSharp (>= 1.68.0)
- System.Runtime.CompilerServices.Unsafe (>= 4.6.0)
.NET Standard 2.0
- System.Text.Encoding.CodePages (>= 4.5.0)
- System.Runtime.CompilerServices.Unsafe (>= 4.5.0)
- System.Buffers (>= 4.5.0)
- System.Memory (>= 4.5.0)
- SkiaSharp (>= 1.68.0)
.NET Framework 4.0
- No dependencies.
| 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 | 1 | 2025/5/30 |
| 10.12.4 | 2 | 2025/5/30 |
| 10.11.7 | 1 | 2025/5/30 |
| 10.11.1 | 2 | 2025/5/30 |
| 10.10.5 | 2 | 2025/5/30 |
| 10.10.0 | 1 | 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 | 3 | 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 | 1 | 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 | 1 | 2025/5/30 |
| 6.9.16 | 0 | 2020/9/28 |
| 6.9.0 | 2 | 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 |