import com.spire.presentation.*;
import com.spire.presentation.Presentation;
import com.spire.presentation.drawing.*;

import java.awt.*;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;


//Create a Presentation object
Presentation presentation = new Presentation();

//Load the sample PowerPoint file
presentation.loadFromFile("C:\\Users\\Administrator\\Desktop\\Spire.Presentation.pptx");

//Specify watermark text
String watermarkText = "E-iceblue";

//Get the size of the watermark text
Image image = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = (Graphics2D) image.getGraphics();
Font font = new Font("Arial", Font.BOLD, 20);
g2d.setFont(font);
FontMetrics fm = g2d.getFontMetrics();
Rectangle2D strSize = fm.getStringBounds(watermarkText, g2d);

//Initialize x and y coordinate
float x = 30;
float y = 80;

for (int rowNum = 0; rowNum < 4; rowNum++) {
    for (int colNum = 0; colNum < 5; colNum++) {

        //Add a rectangle shape
        Rectangle2D rect = new Rectangle2D.Float(x, y, (float) strSize.getWidth() + 10, (float) strSize.getHeight());
        IAutoShape shape = presentation.getSlides().get(0).getShapes().appendShape(ShapeType.RECTANGLE, rect);

        //Set the style of the shape
        shape.getFill().setFillType(FillFormatType.NONE);
        shape.getShapeStyle().getLineColor().setColor(new Color(1, 1, 1, 0));
        shape.setRotation(-45);
        shape.getLocking().setSelectionProtection(true);
        shape.getLine().setFillType(FillFormatType.NONE);

        //Add watermark text to the shape
        shape.getTextFrame().setText(watermarkText);
        PortionEx textRange = shape.getTextFrame().getTextRange();

        //Set the style of the text range
        textRange.getFill().setFillType(FillFormatType.SOLID);
        textRange.getFill().getSolidColor().setColor(Color.pink);
        textRange.setLatinFont(new TextFont(font.getName()));
        textRange.setFontMinSize(font.getSize());

        x += (100 + strSize.getWidth());

    }
    x = 30;
    y += (100 + strSize.getHeight());
}

//Save the document
presentation.saveToFile("output/Watermark.pptx", FileFormat.PPTX_2013);

using Spire.Xls;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;

namespace Convert_Shapes_and_SmartArt_to_Image
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a Workbook object
            Workbook workbook = new Workbook();
            //Load the Excel file
            workbook.LoadFromFile("Sample.xlsx");

            //Get the first worksheet
            Worksheet sheet = workbook.Worksheets[0];

            //Create a SaveShapeTypeOption object
            SaveShapeTypeOption shapelist = new SaveShapeTypeOption();
            //Save shapes and SmartArt graphics in the worksheet to images
            List<Bitmap> images = sheet.SaveShapesToImage(shapelist);

            //Save images to file
            int index = 0;
            foreach (Image img in images)
            {
                img.Save("Image/" + "toImage" + index + ".Png", ImageFormat.Png);
                index++;
            }
        }
    }
}

Imports Spire.Xls
Imports System.Collections.Generic
Imports System.Drawing.Imaging

Namespace Convert_Shapes_and_SmartArt_to_Image
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            'Create a Workbook object
            Dim workbook As Workbook = New Workbook()
            'Load the Excel file
            workbook.LoadFromFile("Sample.xlsx")

            'Get the first worksheet
            Dim sheet As Worksheet = workbook.Worksheets(0)

            'Create a SaveShapeTypeOption object
            Dim shapelist As SaveShapeTypeOption = New SaveShapeTypeOption()
            'Save shapes and SmartArt graphics in the worksheet to images
            Dim images As List(Of Bitmap) = sheet.SaveShapesToImage(shapelist)

            'Save images to file
            Dim index As Integer = 0

            For Each img As Image In images
                img.Save("Image/" & "toImage" & index & ".Png", ImageFormat.Png)
                index += 1
            Next
        End Sub
    End Class
End Namespace

import com.spire.doc.Document;

public class DetectIfWordIsPasswordProtected {
    public static void main(String []args){
        //Detect if the Word document is password protected
        boolean isPasswordProtected = Document.isEncrypted("C:\\Users\\Administrator\\Desktop\\Sample.docx");
        if(isPasswordProtected)
        {
            System.out.println("The document is password protected.");
        }
        else
        {
            System.out.println("The document is not password protected.");
        }
    }
}

public static void main(String[] args) throws Exception {
        //Load the sample PDF document
        PdfDocument doc = new PdfDocument("C:\\Users\\Administrator\\Desktop\\Images.pdf");

        //Set IncrementalUpdate to false
        doc.getFileInfo().setIncrementalUpdate(false);

        //Declare a PdfPageBase variable
        PdfPageBase page;

        // Create the PdfImageHelper object
        PdfImageHelper imageHelper = new PdfImageHelper();

        //Loop through the pages
        for (int i = 0; i < doc.getPages().getCount(); i++) {

            //Get the specific page
            page = doc.getPages().get(i);
            if (page != null) {

                if(page.getImagesInfo() != null){

                    //Loop through the images in the page
                    for (PdfImageInfo info : imageHelper.getImagesInfo(page))

                        //Use tryCompressImage method the compress high-resolution images
                        info.tryCompressImage();
                    }
                }
            }
        //Save to file
        doc.saveToFile("output/Compressed.pdf");
        }

import com.spire.pdf.PdfDocument;
import com.spire.pdf.attachments.PdfAttachment;

import java.io.*;

public class ReadPortfolio {
    public static void main(String []args) throws IOException {
        //Create a PdfDocument instance
        PdfDocument pdf = new PdfDocument();
        //Load the PDF file
        pdf.loadFromFile("Portfolio.pdf");

        //Loop through the attachments in the file
       for(Object obj : pdf.getAttachments()) {
            PdfAttachment attachment = (PdfAttachment) obj;
            //Extract files
            String fileName = attachment.getFileName();
            OutputStream fos = new FileOutputStream("extract/" + fileName);
            fos.write(attachment.getData());
        }

        pdf.dispose();
    }
}

using System.IO;
using System.Net;
using Spire.Pdf;

namespace DownloadPdfFromUrl
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a PdfDocument object
            PdfDocument doc = new PdfDocument();

            //Create a WebClient object
            WebClient webClient = new WebClient();

            //Download data from URL and save as memory stream
            using (MemoryStream ms = new MemoryStream(webClient.DownloadData("https://www.e-iceblue.com/article/toDownload.pdf")))
            {
                //Load the stream
                doc.LoadFromStream(ms);
            }

            //Save to PDF file
            doc.SaveToFile("result.pdf", FileFormat.PDF);
        }
    }
}

Imports System.IO
Imports System.Net
Imports Spire.Pdf

Namespace DownloadPdfFromUrl
    Class Program
        Shared  Sub Main(ByVal args() As String)
            'Create a PdfDocument object
            Dim doc As PdfDocument = New PdfDocument()

            'Create a WebClient object
            Dim webClient As WebClient = New WebClient()

           'Download data from URL and save as memory stream
           Dim pdfData As Byte() = webClient.DownloadData(""https://www.e-iceblue.com/article/toDownload.pdf"")
           Using ms As New MemoryStream(pdfData)
           'Load the stream
           doc.LoadFromStream(ms)
 End Using

 'Save to PDF file
 doc.SaveToFile(""result.pdf"", FileFormat.PDF)
        End Sub
    End Class
End Namespace

String inputFile = "Sample.xlsx";
String outputFile="output/removeFormulasButKeepValues_result.xlsx";
//Create a workbook.
Workbook workbook = new Workbook();
//Load the file from disk.
workbook.loadFromFile(inputFile);
//Loop through worksheets.
for (Worksheet sheet : (Iterable<? extends Worksheet>) workbook.getWorksheets())
{
    //Loop through cells.
    for (CellRange cell : (Iterable<? extends CellRange>) sheet.getRange())
    {
        //If the cell contains formula, get the formula value, clear cell content, and then fill the formula value into the cell.
        if (cell.hasFormula())
        {
            Object value = cell.getFormulaValue();
            cell.clear(ExcelClearOptions.ClearContent);
            cell.setValue(value.toString());
        }
    }
}
//Save to file
workbook.saveToFile(outputFile, ExcelVersion.Version2013);