Spire.PDF 12.5.8 optimizes the conversion from PDF to image
2026-05-22 08:23:02
We're pleased to announce the release of Spire.PDF 12.5.8. This version optimizes the conversion from PDF to image. Meanwhile, some issues that occurred when extracting text from PDF pages have also been successfully fixed. More details are listed below. Here is a list of changes made in this release Category ID Description Bug Fix SPIREPDF-8027 Fixes the issue where the program threw an "Index was outside the bounds of the array" exception during PDF to image conversion. Bug Fix SPIREPDF-8032 Fixes the issue where characters were duplicated when extracting text from PDF pages. Click the link below to download Spire.PDF…
Spire.PDF 12.5.1 Adds Support for SHA-2 and SHA-256 Digital Signature Algorithms
2026-05-12 08:57:40
We’re pleased to announce the release of Spire.PDF 12.5.1. This version adds support for SHA-2 and SHA-256 hash algorithms in digital signatures. It also fixes several issues, including content loss when printing PDF documents. More details are listed below. Here is a list of changes made in this release Category ID Description New Feature SPIREPDF-4878 Added support for SHA-2 and SHA-256 hash algorithms in digital signatures. PdfDocument pdf = new PdfDocument(); pdf.LoadFromFile(inputFile); X509Certificate2 cert = new X509Certificate2(inputFile_pfx, "e-iceblue"); IPdfSignatureFormatter formatter = new PdfPKCS7Formatter(cert, false); PdfMDPSignatureMaker pdfMDPSignatureMaker = new PdfMDPSignatureMaker(pdf, formatter); PdfSignature signature = pdfMDPSignatureMaker.Signature; signature.Name = "e-iceblue"; signature.ContactInfo = "028-81705109";…
Spire.PDF 12.4.5 enhances the conversions from PDF to PDF/A and images
2026-04-16 03:20:28
We're pleased to announce the release of Spire.PDF 12.4.5. This version enhances the conversions from PDF to PDF/A and images. Meanwhile, several issues that occurred when printing and merging PDFs have also been successfully fixed. More details are listed below. Here is a list of changes made in this release Category ID Description Bug Fix SPIREPDF-7164 Fixed the issue where the page content was distorted when copying a page via CreateTemplate(). Bug Fix SPIREPDF-7803 Fixed the issue where concurrent HTML to PDF conversions occasionally failed to generate documents. Bug Fix SPIREPDF-7948 Fixed the issue where printing a PDF produced extra,…
Spire.PDF 12.4.0 optimizes memory consumption during PDF merging
2026-04-01 09:30:59
We're pleased to announce the release of Spire.PDF 12.4.0. This version optimizes memory consumption during PDF merging and also fixes several issues that occurred when processing PDF files. More details are listed below. Here is a list of changes made in this release Category ID Description Optimization SPIREPDF-7878 SPIREPDF-7958 Optimized memory consumption during PDF merging. Bug Fix SPIREPDF-7850 Fixed an issue where removing image watermarks from PDFs failed. Bug Fix SPIREPDF-7963 Fixed an issue where keywords were not correctly identified when using “TextFindParameter.WholeWord”. Bug Fix SPIREPDF-7980 Fixed an issue where content stream markers did not correctly include attribute placeholders when…
Spire.PDF 12.3.7 Enhances PDF to Word and Image Conversion
2026-03-18 02:28:37
We’re pleased to announce the release of Spire.PDF 12.3.7. This version enhances PDF to Word and image conversion. It also fixes multiple issues, including a problem where merging PDFs threw System.OutOfMemoryException and an issue where content formatting was incorrect when converting PDF to Word. More details are listed below. Here is a list of changes made in this release Category ID Description Bug Fix SPIREPDF-5696 SPIREPDF-6453 Fixed an issue where merging PDFs threw a System.OutOfMemoryException. Bug Fix SPIREPDF-7070 Fixed an issue where merged PDF documents could not be opened in web browsers. Bug Fix SPIREPDF-7938 Fixed an issue where checkmark…
Spire.PDF 12.2.14 supports creating Hatch Brushes with the PdfHatchStyle interface
2026-02-28 08:52:28
We're pleased to announce the release of Spire.PDF 12.2.14. This version supports creating Hatch Brushes using the PdfHatchStyle interface and configuring text color when replacing text in PDF pages. Meanwhile, the compression functionality for netstandard DLLs has been optimized, and some issues that occurred when converting PDF to images, adding images, or drawing fonts have also been successfully fixed. More details are listed below. Here is a list of changes made in this release Category ID Description Optimization SPIREPDF-7881 Optimizes the compression functionality for netstandard DLLs to improve the file compression ratio. New Feature SPIREPDF-7780 Added support for the PdfHatchStyle…
Spire.PDF 12.2.6 enhances the conversions from PDF to PDF/A and images
2026-02-12 08:06:23
We're pleased to announce the release of Spire.PDF 12.2.6. This mainly fixes several issues that occurred when converting PDF to images, XPS to PDF, and PDF to PDF/A-2B. More details are listed below. Here is a list of changes made in this release Category ID Description Bug Fix SPIREPDF-7871 Fixed the issue where the program hung when converting PDF to images. Bug Fix SPIREPDF-7882 Fixed the issue where the seal was rendered incorrectly when converting OFD to images. Bug Fix SPIREPDF-7915 Fixed the issue where the output was incorrect when converting XPS to PDF. Bug Fix SPIREPDF-7922 Fixed the issue…
Spire.PDF 12.1.6 supports getting and setting the PDF 2.0 version
2026-01-22 07:28:20
We're pleased to announce the release of Spire.PDF 12.1.6. This version supports getting and setting the PDF 2.0 version. Meanwhile, some issues that occurred when converting PDF to images or PDF/A, replacing text, loading XPS files and extracting text have also been successfully fixed. More details are listed below. Here is a list of changes made in this release Category ID Description New feature SPIREPDF-5365 Supports getting and setting the PDF 2.0 version. // Retrieve PdfFileInfo info = doc.FileInfo; PdfVersion version = info.Version; // Settings doc.FileInfo.Version = PdfVersion.Version2_0; Bug SPIREPDF-6905 Fixes the issue where text color was rendered incorrectly when…
