Presentation presentation = new Presentation();
presentation.LoadFromFile(inputFile);

foreach (ISlide slide in presentation.Slides)
{
    foreach (Spire.Presentation.IShape shape in slide.Shapes)
    {
        if (shape is SlidePicture)
        {
            SlidePicture ps = shape as SlidePicture;
            // Compress the image: remove cropped areas (true) and set target resolution to 150 DPI (commonly used for web display)
            ps.PictureFill.CompressImage(true, 150f);
        }
    }
}
presentation.SaveToFile(outputFile, FileFormat.Pptx2013);

presentation.SaveToImage(int pageIndex, int dpiX, int dpiY);

Workbook wb = new Workbook();
wb.loadFromFile("input.xlsx");

// Create export options
MarkdownOptions options = new MarkdownOptions();

// Set whether to save images using relative paths
options.setSavePicInRelativePath(true);

// Set whether to format hyperlinks as Markdown reference-style links
options.setSaveHyperlinkAsRef(true);

wb.saveToMarkdown("output.md", options);

workbook = Workbook()
workbook.LoadFromFile(inputFile)
sheet = workbook.Worksheets[0]
sheet.RemoveDuplicates()
workbook.SaveToFile(outputFile, FileFormat.Version2013)
workbook.Dispose()

doc = PdfDocument ()
        doc. LoadFromFile (inputFile)
        # Create a digital signature
        signature = Security_PdfSignature (doc, doc.Pages.get_Item(0), inputFile_pfx,"08100601", "signature")
        signature.SignDetailsFont =  PdfFont(PdfFontFamily.Courier,8.0)
        # Set the bounds of the signature box
        signature.Bounds = RectangleF(PointF(90.0, 550.0), SizeF (180.0, 90.0))
        # Configure signature appearance and details
        signature.NameLabel = "Digitally signed by:Gary"
        signature.LocationInfoLabel ="Location:"
        signature.LocationInfo = "CN"
        signature.ReasonLabel = "Reaseon:"
        signature.Reason = "Ensure authenticity"
        signature.ContactInfoLabel = "Contact Number:"
        signature.ContactInfo = "028-81705109"
        # Set document permissions
        signature.DocumentPermissions = PdfCertificationFlags.ForbidChanges.value
        # Set graphic mode for the signature
        signature.GraphicsMode = Security_GraphicMode.SignImageAndSignDetail
        # Set the signature image
        signature.SignImageSource = PdfImage.FromFile(inputImage)
        #When setting “none", the Image and Detail are distributed on both sides, when setting “Stretch", the image extends to the entire signatu
        signature.SignImageLayout = SignImageLayout.none
        url = "https://freetsa.org/tsr"
        signature.ConfigureTimestamp(url)
        signature.ConfigureHttpOCSP (None, None)
        signature.Certificated = True
        doc.SaveToFile(outputFile)  
        doc.Close()

pdf = PdfDocument()
pdf.LoadFromFile(inputFile)
textOption = XlsxTextLayoutOptions(True, False, False)
pdf.ConvertOptions.SetPdfToXlsxOptions(textOption)
pdf.SaveToFile(outputFile, FileFormat.XLSX)
pdf.Dispose()

pdf = PdfDocument()
pdf.LoadFromFile(inputFile)
lineOption = XlsxLineLayoutOptions(False,False,False,False)
pdf.ConvertOptions.SetPdfToXlsxOptions(lineOption)
pdf.SaveToFile(outputFile, FileFormat.XLSX)
pdf.Dispose()

# Load the PDF document from the specified input file path
pdf.LoadFromFile(inputFile)
# Set the XlsxSpecialTableLayoutOptions as the conversion options for PDF to XLSX conversion
options = XlsxSpecialTableLayoutOptions(False, False, False)
# Save the PDF document as an Excel file using the specified format and options
pdf.SaveToFile(outputFile, FileFormat.XLSX)

pdf = PdfDocument ()
pdf. LoadFromFile (inputFile)
ofdOptions =  OfdOptions()
ofdOptions.UseTempFileStorage = True
pdf.ConvertOptions.SetPdfToOfdOptions(ofdOptions)
pdf.SaveToFile(outputFile,FileFormat.OFD)

# Create an instance of PdfToMarkdownConverter with the input PDF file
converter = PdfToMarkdownConverter(inputFile)
# Configure the converter to skip processing images in the PDF
converter.MarkdownOptions.IgnoreImage = True
# Convert the PDF content to Markdown format and save to the output file
converter.ConvertToMarkdown(outputFile)

converter =  PdfToSvgConverter(inputFile)
converter.SvgOptions.ScaleX = 1.0
converter.SvgOptions.ScaleY = 1.0
converter.Convert(outputFile)

configureOptions.AutoRotate = True

visualText = VisualTextAligner(scanner.Text)text = visualText.ToString()

Document doc = new Document();
      doc.CompatibilityOptions.UlTrailSpace = false;
      doc.CompatibilityOptions.AdjustLineHeightInTable = true;
      doc.CompatibilityOptions.SpaceForUL = true;
      doc.CompatibilityOptions.ApplyBreakingRules = true;
      doc.CompatibilityOptions.DoNotExpandShiftReturn = false;
      doc.CompatibilityOptions.OverrideTableStyleFontSizeAndJustification = false;
      doc.CompatibilityOptions.DoNotAutofitConstrainedTables = true;
      doc.SaveToFile("outputFile");

Document doc = new Document();
    doc.LoadFromFile("inputtFile");
    Spire.Doc.Settings.CompatibilityOptions options = doc.CompatibilityOptions;

Document doc = new Document();
            doc.LoadFromFile(inputFile);

            // Set properties
            doc.CompatibilityOptions.UlTrailSpace = false;
            doc.CompatibilityOptions.AdjustLineHeightInTable = true;
            doc.CompatibilityOptions.SpaceForUL = true;
            doc.CompatibilityOptions.ApplyBreakingRules = true;
            doc.CompatibilityOptions.DoNotExpandShiftReturn = false;
            doc.CompatibilityOptions.OverrideTableStyleFontSizeAndJustification = false;
            doc.CompatibilityOptions.DoNotAutofitConstrainedTables = true;
			// Set FileFormat when saving to preserve effects
            doc.SaveToFile(outputFile_after, FileFormat.Docx2016); 

            // Using version compatibility will reset previously set properties
            Spire.Doc.Settings.CompatibilityOptions options = doc.CompatibilityOptions;
            doc.CompatibilityOptions.OptimizeForWordVersion(WordVersion.Word2016);
            PrintCompatibilityOptions(options, outputFile);
            doc.Close();

doc = PdfDocument ()
        doc. LoadFromFile (inputFile)
        # Create a digital signature
        signature = Security_PdfSignature (doc, doc.Pages.get_Item(0), inputFile_pfx,"08100601", "signature")
        signature.SignDetailsFont =  PdfFont(PdfFontFamily.Courier,8.0)
        # Set the bounds of the signature box
        signature.Bounds = RectangleF(PointF(90.0, 550.0), SizeF (180.0, 90.0))
        # Configure signature appearance and details
        signature.NameLabel = "Digitally signed by:Gary"
        signature.LocationInfoLabel ="Location:"
        signature.LocationInfo = "CN"
        signature.ReasonLabel = "Reaseon:"
        signature.Reason = "Ensure authenticity"
        signature.ContactInfoLabel = "Contact Number:"
        signature.ContactInfo = "028-81705109"
        # Set document permissions
        signature.DocumentPermissions = PdfCertificationFlags.ForbidChanges.value
        # Set graphic mode for the signature
        signature.GraphicsMode = Security_GraphicMode.SignImageAndSignDetail
        # Set the signature image
        signature.SignImageSource = PdfImage.FromFile(inputImage)
        #When setting “none", the Image and Detail are distributed on both sides, when setting “Stretch", the image extends to the entire signatu
        signature.SignImageLayout = SignImageLayout.none
        url = "https://freetsa.org/tsr"
        signature.ConfigureTimestamp(url)
        signature.ConfigureHttpOCSP (None, None)
        signature.Certificated = True
        doc.SaveToFile(outputFile)  
        doc.Close()

pdf = PdfDocument()
pdf.LoadFromFile(inputFile)
textOption = XlsxTextLayoutOptions(True, False, False)
pdf.ConvertOptions.SetPdfToXlsxOptions(textOption)
pdf.SaveToFile(outputFile, FileFormat.XLSX)
pdf.Dispose()

pdf = PdfDocument()
pdf.LoadFromFile(inputFile)
lineOption = XlsxLineLayoutOptions(False,False,False,False)
pdf.ConvertOptions.SetPdfToXlsxOptions(lineOption)
pdf.SaveToFile(outputFile, FileFormat.XLSX)
pdf.Dispose()

# Load the PDF document from the specified input file path
pdf.LoadFromFile(inputFile)
# Set the XlsxSpecialTableLayoutOptions as the conversion options for PDF to XLSX conversion
options = XlsxSpecialTableLayoutOptions(False, False, False)
# Save the PDF document as an Excel file using the specified format and options
pdf.SaveToFile(outputFile, FileFormat.XLSX)

pdf = PdfDocument ()
pdf. LoadFromFile (inputFile)
ofdOptions =  OfdOptions()
ofdOptions.UseTempFileStorage = True
pdf.ConvertOptions.SetPdfToOfdOptions(ofdOptions)
pdf.SaveToFile(outputFile,FileFormat.OFD)

# Create an instance of PdfToMarkdownConverter with the input PDF file
converter = PdfToMarkdownConverter(inputFile)
# Configure the converter to skip processing images in the PDF
converter.MarkdownOptions.IgnoreImage = True
# Convert the PDF content to Markdown format and save to the output file
converter.ConvertToMarkdown(outputFile)

converter =  PdfToSvgConverter(inputFile)
converter.SvgOptions.ScaleX = 1.0
converter.SvgOptions.ScaleY = 1.0
converter.Convert(outputFile)

configureOptions.AutoRotate = True

visualText = VisualTextAligner(scanner.Text)text = visualText.ToString()

Document doc = new Document();
Section section = doc.AddSection();
Spire.Doc.Documents.Paragraph paragraph = section.AddParagraph();
Spire.Doc.Fields.TextRange farEastLayout = paragraph.AppendText("test");
FarEastLayout style = new FarEastLayout();
style.Vertical = true;
farEastLayout.CharacterFormat.FarEastLayout = style;
doc.SaveToFile(outputFile, FileFormat.Docx);
doc.Close();

          //Load template documents with existing styles
           Document temple = new Document();
           temple.LoadFromFile("temple.docx");
           //Load markdown file
            Document doc = new Document();
           doc = new Document(@"Doc.md");
           //Copy styles from template documents
           doc.CopyStylesFromTemplate(temple);
           //Save
           doc.SaveToFile(@"Doc.docx", Spire.Doc.FileFormat.Docx2016);

Document doc = new Document();
            doc.LoadFromFile(inputFile);
            RevisionInfoCollection revisionInfoCollection = doc.GetRevisionInfos();
            StringBuilder sb = new StringBuilder();
            foreach (RevisionInfo revisionInfo in revisionInfoCollection)
            {
                if (revisionInfo.RevisionType == RevisionType.FormatChange)
                {
                    if (revisionInfo.OwnerObject is Spire.Doc.Fields.TextRange)
                    {
                        TextRange range = (TextRange)revisionInfo.OwnerObject;
                        sb.AppendLine("TextRange:" + range.Text + "\r\n");
                        doc.RevisionsView = RevisionsView.Original;
                        sb.AppendLine("Original style：" + "isBold：" + range.CharacterFormat.Bold + ";" + "TextColor：" + range.CharacterFormat.TextColor + "；HighlightColor：" + range.CharacterFormat.HighlightColor + "；FontName：" + range.CharacterFormat.FontName + "；UnderlineStyle：" + range.CharacterFormat.UnderlineStyle + "\r\n");
                        doc.RevisionsView = RevisionsView.Final;
                        sb.AppendLine("Final style：" + "isBold：" + range.CharacterFormat.Bold + ";" + "TextColor：" + range.CharacterFormat.TextColor + "；HighlightColor：" + range.CharacterFormat.HighlightColor + "；FontName：" + range.CharacterFormat.FontName + "；UnderlineStyle：" + range.CharacterFormat.UnderlineStyle + "\r\n");
                    }
                }
            }
            File.WriteAllText(outputFile, sb.ToString());
            doc.Close();