Learn to convert PDF documents to Word, Excel, PowerPoint, and image file types
PDFs are often created from scanned documents, which means that along with text, they could also contain a lot of images, watermarks, electronic signatures, and much more. So, converting PDFs would be required so that the files can be opened and edited in different programs. You can do this accurately using the conversion features of GroupDocs.Conversion APIs and convert between documents and images in .NET and Java.
PDF file conversion to Microsoft Word, Excel, or PowerPoint documents in .NET
Convert PDF to Word, PDF to Excel, and PDF to PowerPoint formats in your C# .NET apps. Please use the following code block for converting PDF to DOCX:
// Load the source PDF file
using (var converter = new GroupDocs.Conversion.Converter("sample.pdf"))
{
// Set the convert options for DOCX format
var options = new WordProcessingConvertOptions();
// Convert to DOCX format
converter.Convert("converted.docx", options);
} - Replace WordProcessingConvertOptions(); constructor with SpreadsheetConvertOptions();
- Set file extension of the converted document to .XLSX (‘converted.xlsx’) instead of .DOCX
- Replace WordProcessingConvertOptions(); constructor with PresentationConvertOptions();
- Set file extension of the converted document to .PPTX (‘converted.pptx’) instead of .DOCX
Easily convert PDF documents to PNG or JPG formats in .NET
PDF file conversion to image formats could be useful for viewing or editing files in image editors. Here’s how you can convert PDF to PNG images:
// Load the source PDF file
using (var converter = new GroupDocs.Conversion.Converter("sample.pdf"))
{
GroupDocs.Conversion.Contracts.SavePageStream getPageStream = page => new FileStream(string.Format("converted-page-{0}.png", page), FileMode.Create);
// Set the convert options for PNG format
var options = new ImageConvertOptions { Format = GroupDocs.Conversion.FileTypes.ImageFileType.Png };
// Convert to PNG format
converter.Convert(getPageStream, options);
} Microsoft Office documents to PDF converter in Java
In this section, we will look at how to convert PDF documents to DOCX, XLSX, PPTX files, PNG, or JPG images using the document conversion APIs across your Java desktop, HTML web, and mobile apps. Convert your PDF to Word documents using this code block:
// Load the source PDF file
Converter converter = new Converter("sample.pdf");
// Set the convert options for DOCX format
WordProcessingConvertOptions options = new WordProcessingConvertOptions();
// Convert to DOCX format
converter.convert("converted.docx", options); - WordProcessingConvertOptions with SpreadsheetConvertOptions
- Output file extension to .XLSX (‘converted.xlsx’)
- WordProcessingConvertOptions with PresentationConvertOptions
- Output file extension to .PPTX (‘converted.pptx’)
Perform Java PDF to PNG and JPG conversions
For PDF document conversion to PNG format, please use this code snippet:
// Load the source PDF file
Converter converter = new Converter("sample.pdf");
SavePageStream getPageStream = page => new FileOutputStream(String.format("converted-page-%s.png", page));
// Set the convert options for PNG format
var options = new ImageConvertOptions();
options.setFormat(ImageFileType.Png);
// Convert to PNG format
converter.convert(getPageStream, options); How to convert PNG and JPG images to PDF and MS Office formats
A simple question asked by many people is: why would I want to convert my image to PDF? The answer is simple; PDFs are universally accepted and readable by all devices and platforms. So if you want your document to be viewed on any device regardless of its operating system, converting your PNG or JPG images to PDF will be the best option for you. Likewise, you might want to convert your PNG or JPG images to Word, Excel, or PowerPoint documents for sharing, editing, printing, or storage of your files with cross-application compatibility in mind. GroupDocs.Conversion APIs for .NET and Java platforms make different types of image conversions easier for you.
Convert PNG to Word or JPG to PDF in C# .NET Applications
It's a common requirement to convert raster images such as PNG or JPG to PDF or Microsoft Word documents. The following code shows how you can create a JPG to PDF converter in C#:For converting a PNG image to DOCX format, please use the following C# code snippet:Additionally, you can also transform your PNG and JPG images to Microsoft Excel and PowerPoint formats using GroupDocs.Conversion for .NET.JPG to Excel and PowerPoint image conversions in Java
Java app developers can programmatically convert PNG and JPG images to Excel and PowerPoint formats in addition to the ability to convert them into PDF and Word documents with the help of GroupDocs.Conversion for Java. Use the simple code shared below to convert PNG to Excel (XLSX) format:To convert JPG to PowerPoint (PPTX) in your Java desktop or web applications, please use the code given below:How to convert specific document pages to PDF format in .NET and Java
Converting specific document pages to PDF is a common need for many organizations considering PDF is a universal file type and can be opened on any device or platform without any hassle. PDFs are also more secure than traditional documents and can preserve the original document formatting, including layout, images, text formatting, and fonts. Another important characteristic of PDFs is the ability to be used as attachments without being compressed or resized. So, if you want to change certain pages within your document to PDF format in .NET or Java, GroupDocs.Conversion APIs equip you with the right toolset for this purpose.
Build C# .NET applications to convert particular pages of Microsoft Word to PDF
Please use the code snippet shared below to convert specific pages in Word to PDF:Java Word to PDF conversion of specific document pages
To transform specified pages in a Word document to PDF format, please use this code:Applying a watermark to .NET and Java documents
Adding watermarks to the output files during the conversion process could help make the exported documents secure, prevent any misuse, and avoid alterations to the document without the permission of the file owner. GroupDocs.Conversion APIs for .NET and Java let you apply watermarks to different converted data files seamlessly.
Watermark PDF, DOCX, XLSX and PPTX documents in .NET
Use the watermarking functionality in your C# based .NET apps with the help of the code shown below:
using (Converter converter = new Converter("sample.docx"))
{
WatermarkOptions watermark = new WatermarkTextOptions("Sample watermark")
{
Color = Color.Red,
Width = 100,
Height = 100,
Background = true
};
PdfConvertOptions options = new PdfConvertOptions
{
Watermark = watermark
};
converter.Convert("converted.pdf", options);
} Insert watermarks to PDF, Word, Excel, and PowerPoint documents in Java
The following code snippet shows how Java app developers could watermark PDF, Word documents, Excel spreadsheets, and PowerPoint presentations:
Converter converter = new Converter("sample.docx");
PdfConvertOptions options = new PdfConvertOptions();
WatermarkOptions watermark = new WatermarkOptions();
watermark.setText("Sample watermark");
watermark.setColor(Color.red);
watermark.setWidth(100);
watermark.setHeight(100);
watermark.setBackground(true);
options.setWatermark(watermark);
converter.convert("converted.pdf", options); 
