News & Releases
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Spire.PDF 7.5.0 supports converting PDF to transparent background images
We are glad to announce the release of Spire.PDF 7.5.0. This update supports converting PDF to transparent background images, enhances the conversion from SVG to PDF and fixes the issue occurred in the course of merging PDF files. More details are listed below.
Here is a list of changes made in this release
| Category | ID | Description |
| New feature | SPIREPDF-4242 | Supports converting PDF to transparent background images.
PdfDocument doc = new PdfDocument();
doc.LoadFromFile("input.pdf");
doc.ConvertOptions.SetPdfToImageOptions(0);
Image image = doc.SaveAsImage(0);
image.Save("output.png", ImageFormat.Png);
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| Bug | SPIREPDF-4217 | Fixes the issue that the content was incorrect after converting SVG to PDF. |
| Bug | SPIREPDF-4219 | Fixes the issue that there were garbled characters after updating text box field values. |
| Bug | SPIREPDF-4221 | Fixes the issue that the application threw the error "Unexpected token Unknown before 24061" when merging PDF files. |
| Bug | SPIREPDF-4224 | Fixes the issue that it returned a wrong value when using Isblank method to detect blank pages. |
Click the link to download Spire.PDF 7.5.0:
More information of Spire.PDF new release or hotfix:
