Convert DOTX to PPTX via Java or Online App
DOTX to PPTX conversion by using on premise Java API within any Java J2SE, J2EE, J2ME applications without using Microsoft® PowerPoint or Word
Converting DOTX files to PPTX programmatically can be a daunting task for developers. Fortunately, the File Automation Java libraries Aspose.Total for Java provide an easy and efficient way to automate the process. The process involves loading the DOTX file using Aspose.Words for Java and converting it to HTML. After that, Aspose.Slides for Java can be used to create a new Presentation, write HTML content in it, and save it as PPTX.
The first step is to load the DOTX file using Aspose.Words for Java. This library provides a wide range of features for manipulating documents, including loading, saving, and converting documents. Once the DOTX file is loaded, it can be converted to HTML using the Document.save method. This method allows you to specify the output format, such as HTML, and the output file name.
The next step is to use Aspose.Slides for Java to create a new Presentation. This library provides a wide range of features for manipulating presentations, including creating, editing, and saving presentations. Once the new Presentation is created, the HTML content can be written to it using the Presentation.writeHtml method. This method allows you to specify the HTML content and the output file name.
Finally, the Presentation can be saved as a PPTX file using the Presentation.save method. This method allows you to specify the output format, such as PPTX, and the output file name. Once the PPTX file is saved, the conversion process is complete.
Using the File Automation Java libraries Aspose.Total for Java , developers can easily and efficiently convert DOTX files to PPTX programmatically. The process involves loading the DOTX file using Aspose.Words for Java , converting it to HTML, creating a new Presentation using Aspose.Slides for Java , writing HTML content to it, and saving it as a PPTX file. With these powerful libraries, developers can quickly and easily automate the conversion process.
How to Convert DOTX to PPTX via Java
- Open DOTX file using Document class
- Convert DOTX file to HTML by using save method
- Initialize a new Presentation object
- Extract content from HTML file using BufferedReader and write the content in your presentation file
- Save the document to PPTX using save method
DOTX File Conversion in Java
For DOTX to PPTX file conversion, you can easily use Aspose.Total for Java directly from a Maven based project and include libraries in your pom.xml.
Alternatively, you can get a ZIP file from downloads .
| // supports DOC, DOCX, DOT, DOTM, DOTX, FLATOPC, ODT, OTT, RTF, TXT, WORDML, DOCM input file formats | |
| // load DOC file with an instance of Document | |
| Document document = new Document("template.doc"); | |
| // save the document in HTML file format | |
| document.save("HtmlOutput.html",SaveFormat.HTML); | |
| // create a new presentation | |
| Presentation pres = new Presentation(); | |
| // access the default first slide of presentation | |
| ISlide slide = pres.getSlides().get_Item(0); | |
| // add the AutoShape to accommodate the HTML content | |
| IAutoShape ashape = slide.getShapes().addAutoShape(ShapeType.Rectangle, 10, 10, | |
| (float) pres.getSlideSize().getSize().getWidth(), | |
| (float) pres.getSlideSize().getSize().getHeight()); | |
| ashape.getFillFormat().setFillType(FillType.NoFill); | |
| // add text frame to the shape | |
| ashape.addTextFrame(""); | |
| // clear all paragraphs in added text frame | |
| ashape.getTextFrame().getParagraphs().clear(); | |
| // initialize StringBuilder to read Html | |
| StringBuilder contents = new StringBuilder(); | |
| // load HTML file by using BufferedReader | |
| BufferedReader reader = new BufferedReader(new FileReader(new File("HtmlOutput.html"))); | |
| String text = null; | |
| // repeat until all lines are read | |
| while ((text = reader.readLine()) != null) { | |
| contents.append(text).append(System.getProperty("line.separator")); | |
| } | |
| reader.close(); | |
| // add HTML content in text frame | |
| ashape.getTextFrame().getParagraphs().addFromHtml(content); | |
| // supports POTM, POT, POTX, PPSM, PPS, PPSX, PPTM, PPT, PPTX, ODP output file formats. | |
| // save presentation as Pptx | |
| pres.save("output.pptx", com.aspose.slides.SaveFormat.Pptx); |
Free Online Converter for DOTX to PPTX
Convert Protected DOTX to PPTX via Java
The API also allows you to convert password-protected DOTX documents to PPTX. If your input DOTX document is password protected, you cannot convert it to PPTX format without using the password. In order to open a encrypted document you can set the correct password in LoadOptions object and pass it to the Document constructor.
| // supports DOC, DOT, DOCX, DOCM, DOTX, and DOTM file formats | |
| // load DOC file with an instance of Document | |
| Document document = new Document("template.doc", new LoadOptions("MyPassword")); | |
| // save the document in HTML file format | |
| document.save("HtmlOutput.html",SaveFormat.HTML); | |
| // create a new presentation | |
| Presentation pres = new Presentation(); | |
| // perform the conversion to PPT |
Convert DOTX to PPTX with Watermark via Java
Using the API, you can also perform DOTX file to PPTX conversion with watermark. In order to add a watermark to your PPTX document, you can first export DOTX to HTML and write HTML content in Presentation object. After that to add a watermark, you can add text using addTextFrame, set all the relevant options like color, fillType and more and can save the document to PPTX.
| // supports DOC, DOCX, DOT, DOTM, DOTX, FLATOPC, ODT, OTT, RTF, TXT, WORDML, DOCM input file formats | |
| // load DOC file with an instance of Document | |
| Document document = new Document("template.doc"); | |
| // save the document in HTML file format | |
| document.save("HtmlOutput.html",SaveFormat.HTML); | |
| // create a new presentation | |
| Presentation pres = new Presentation(); | |
| // access the default first slide of presentation | |
| ISlide slide = pres.getSlides().get_Item(0); | |
| // add the AutoShape to accommodate the HTML content | |
| IAutoShape ashape = slide.getShapes().addAutoShape(ShapeType.Rectangle, 10, 10, | |
| (float) pres.getSlideSize().getSize().getWidth(), | |
| (float) pres.getSlideSize().getSize().getHeight()); | |
| ashape.getFillFormat().setFillType(FillType.NoFill); | |
| // add text frame to the shape | |
| ashape.addTextFrame(""); | |
| // clear all paragraphs in added text frame | |
| ashape.getTextFrame().getParagraphs().clear(); | |
| // initialize StringBuilder to read Html | |
| StringBuilder contents = new StringBuilder(); | |
| // load HTML file by using BufferedReader | |
| BufferedReader reader = new BufferedReader(new FileReader(new File("HtmlOutput.html"))); | |
| String text = null; | |
| // repeat until all lines are read | |
| while ((text = reader.readLine()) != null) { | |
| contents.append(text).append(System.getProperty("line.separator")); | |
| } | |
| reader.close(); | |
| // add HTML content in text frame | |
| ashape.getTextFrame().getParagraphs().addFromHtml(content); | |
| // add watermark | |
| IAutoShape ashp = slide.getShapes() | |
| .addAutoShape(ShapeType.Rectangle,50, 50, 500, 500); | |
| ashp.addTextFrame("Watermark Text"); | |
| ashp.getTextFrame().getParagraphs().get_Item(0).getPortions() | |
| .get_Item(0).getPortionFormat().getFillFormat() | |
| .setFillType(FillType.Solid); | |
| ashp.getTextFrame().getParagraphs().get_Item(0).getPortions() | |
| .get_Item(0).getPortionFormat().getFillFormat() | |
| .getSolidFillColor().setColor(Color.GRAY); | |
| ashp.getTextFrame().getParagraphs().get_Item(0).getPortions() | |
| .get_Item(0).getPortionFormat().setFontHeight(25); | |
| // Change the line color of the rectangle to White | |
| ashp.getShapeStyle().getLineColor().setColor(Color.WHITE); | |
| ashp.getShapeStyle().setLineStyleIndex(LineStyle.ThinThin); | |
| // Remove any fill formatting in the shape | |
| ashp.getFillFormat().setFillType(FillType.NoFill); | |
| ashp.setRotation(-45); | |
| ashp.getAutoShapeLock().setSelectLocked(true); | |
| ashp.getAutoShapeLock().setSizeLocked(true); | |
| ashp.getAutoShapeLock().setTextLocked(true); | |
| ashp.getAutoShapeLock().setPositionLocked(true); | |
| ashp.getAutoShapeLock().setGroupingLocked(true); | |
| // supports POTM, POT, POTX, PPSM, PPS, PPSX, PPTM, PPT, PPTX, ODP output file formats. | |
| // save presentation as Pptx | |
| pres.save("output.pptx", com.aspose.slides.SaveFormat.Pptx); |
FAQ
- How can I convert DOTX to PPTX Online?The above-integrated online app allows you to convert DOTX files to PPTX. To get started, simply drag and drop or click inside the white area to import your DOTX file. Once your file is uploaded, click the "Convert" button. After the DOTX to PPTX conversion process is complete, you can download your converted file with just one click.
- How long does it take to convert DOTX?This online DOTX converter works quickly, but its speed depends primarily on the size of the DOTX file you are converting. Smaller DOTX files can be converted to PPTX in just a few seconds. If you have integrated the conversion code into your Java application, the speed of the conversion process will depend on how well you have optimized your application.
- Is it safe to convert DOTX to PPTX using free Aspose.Total converter?Of course! After the conversion is complete, the download link for your PPTX file will be available instantly. Your uploaded files will be deleted after 24 hours, and the download links will no longer work after that period. Your files are safe, and no one has access to them. The integrated app is mainly free for testing purposes, so you can verify the results before integrating the code.
- What browser should I use to convert DOTX?You can perform this online conversion using any modern browser such as Google Chrome, Firefox, Opera, or Safari. However, if you are building a desktop application, the Aspose.Total DOTX Conversion API offers a smooth experience.