Convert Images to PDF in Java

As PDF is the most common portable document format used to exchange files, there arises the requirement to convert documents as well as images to PDF format without losing the quality. In this article, we will learn to programmatically convert images to PDF format in Java.

The following are the topics discussed briefly in this article:

  • Image Conversion Java API
  • Convert Image to PDF
  • Convert Image to PDF with Options

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Add or Remove Annotations from PDF files using Java

There was a time when we used to discuss document content and feedback in long email threads with multiple attachments and different file versions. Now we can simply use annotations to markup the document with messages and replies and send it. In this article, you will learn how to programmatically annotate PDF documents in Java with your application.

The following are the topics discussed briefly in this article:

  • Java API to Work with Annotations in PDF
  • Add Annotations to PDF in Java
    • Arrow annotation to PDF
    • Rectangle annotation of PDF
    • Ellipse or Oval annotation to PDF
    • Distance annotation to PDF
  • Remove Annotations from PDF in Java

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Convert Documents to Excel XLS, XLSX in C#

If you have tabular data in PDF or Word documents format, you definitely need to convert it to Excel spreadsheets. This scenario becomes complex when there are many spreadsheets or multiple workbooks. You surely need to automate this procedure. In this article, we will see how to convert PDF to Excel and also how to convert Word documents to Excel spreadsheet programmatically in C# using .NET API.

The following are the topics discussed briefly in this article:

  • .NET API – Convert documents to spreadsheets
  • Convert PDF to Excel
  • Convert Word to Excel
  • PDF or Word to Spreadsheet conversion with more options

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View CAD Documents using Java

Computer-Aided Design - CAD files are normally used for 2D and 3D designs. These designs are generated by CAD software programs and are normally used to create models and architectural plans. If you have worked with CAD, you’re most likely familiar with some of AutoCAD’s file formats, such as DWG, DXF, DGN, DWF. This article will discuss how to programmatically view CAD files within Java applications.

The following topics are briefly covered in this article:

  • Java API to render CAD files.
  • Convert CAD files to render as HTML, JPG, PNG, or PDF in Java.
  • Get layouts and layers of DWG in Java.
  • Render CAD layers of DWG drawing in Java.
  • Render CAD layouts of DWG drawing in Java.

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Edit Word Documents in C#

The most common and widely used word-processing file formats that are supported by Microsoft Word and OpenOffice Writer are DOC, DOCX, and ODT. We normally use these formats for drafting the documents. Therefore, as a developer, we widely need to edit Word documents in our applications programmatically. In this article, we will discuss how to edit Word documents in C# using the .NET API for document editing.

The following are the topics discussed briefly in this article:

  • Word Documents Editing and Automation
  • Edit Word Documents in C#

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Generate Reports from JSON Data in C#

This article addresses the problem of formatting raw JSON data into a presentable and easily understandable report format within the .NET application. We will be converting the JSON data into PDF and DOCX reports in C# using simple templates.

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Extract Images from EPUB, FB2, CHM eBooks in Java

eBooks of various formats are very common in everyday use. The eBook can contain text as well as images. If you want to use the images of any eBook elsewhere, you can get these easily extracted programmatically within your Java application. In this article, you will learn to automate, how to extract images from eBook files such as EPUB, PDF, FB2, CHM in Java.

The following topics will be covered below:

  • Java API - Image Extraction from eBooks
  • Extract Images from EPUB eBook in Java
  • Extract Images from PDF, FB2, CHM eBooks in Java

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Sign Documents with Digital Certificate using C#

The digital signature is a trustworthy scheme for verifying the authenticity of your documents. Digital signatures are often used to implement electronic signatures. In this article, you will learn how to electronically sign PDF and Word documents with digital certificates using C#.

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