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.

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.

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.

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.

Extract RIFF INFO and Metadata of WAV files in Java

RIFF file container format used to store audio and video multimedia. This data stored in chunks can include lots of information such as the creation date, copyright information, artists, comments, etc. You can programmatically manipulate the metadata as well as RIFF INFO. This article guides developers to programmatically extract metadata and RIFF INFO from the WAV audio files in Java.

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.

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.

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#.

Extract RIFF INFO and Metadata of WAV files in C#

RIFF (Resource Interchange File Format) is a file container format for storing data as tagged chunks. It is mainly used to store multimedia like video and audio. The chunk may include information such as the artist, the creation date, and copyright information, etc. This article will be guiding developers to extract metadata and RIFF INFO from the WAV audio files in C#.

Play and Pause Animated GIF and APNG Images in Web Pages using C#

GIF and APNG are from the list of most common animated image formats. GIF stands for Graphics Interchange Format and APNG files are the Animated Portable Network Graphics. If we compare GIF and APNG files of the same quality, it is noticed that APNG files are smaller in size. This article will be discussing to play and pause animated GIF and APNG files in an HTML web page using C#.