Insert OLE Objects in Word, Excel, PowerPoint using Java

Today, we will be learning to embed PDF and other different documents as OLE objects in Word, Excel, PowerPoint files using Java. For embedding the documents via Object Linking and Embedding, we will be using the GroupDocs.Merger for Java API that also allows us to efficiently combine/merge and split multiple documents with minimum lines of Java code.

Verify Digital Signature in Documents using Java

In this article, we will be learning to programmatically verify the digitally signed documents using Java. The example uses PDF document for the verification, however, you may also perform verification of digitally signed word processing documents like MS Word DOC/DOCX, Excel spreadsheets XLS/XLSX, and presentations PPT/PPTX.

Add Watermark to Images in Java

In this article, we will learn to add text and image watermarks to images using Java. There can be two ways to add watermark to images. Either you want to add the watermark with the personalized text or add an image watermark over the source image. We will see both scenarios. Currently, in addition to the JPG and PNG, this Java API supports BMP, GIF, JP2, TIFF & WebP image formats for adding watermarks on it. We can also change the style, orientation, and appearance of the watermark text.

Convert MSG and EML files to PDF in Java

Emails to PDF conversions are often required for referencing and requirements like sharing the email content. In this article, we will learn about how to convert email message files like MSG and EML into PDF using Java. Previously, in one of the [earlier blog posts][1], we have already learned to convert MSG & EML files using C# in .NET application. This will help to automate the Email conversion within the desktop or web applications.

Merge PDF, Word Documents, Spreadsheets, Presentation Files in C#

Today, we will learn to programmatically merge PDF, Word documents, spreadsheets, presentations using C#. In an earlier post, we have seen the [merging and splitting of documents using Java][1].

Compare Text, Word, and PDF Files with Java Difference Library

After going through this article, we will be able to compare text files, Word files, PDF files, and other documents in Java-based applications. By using this feature, we can compare invoices, contracts, presentations, AutoCAD designs, price lists, or programming files. We will also the privilege to highlight the identified changes and have the option to either accept or reject any change. We can even build our own [document comparison tool][1] similar to the one launched by GroupDocs, using the document comparison API for Java.

Convert WebP to JPG, PNG, TIFF, and PDF in C#

In our previous post, we discussed WebP images and learned to convert WebP Images in Java. Today, in this article, we will learn to programmatically convert the WebP images into JPG, PNG, TIFF, and other formats using C#.

Classify your Customer Feedback using Sentiment Analysis in C#

Suppose that you have the opportunity to receive comments or reviews from your customers or some other source and you want to evaluate how positive they are. There is a way to analyze such comments called sentiment analysis. This post focuses on the sentiment analysis tool based on a deep neural network model using C#. This model is suitable for a wide range of tasks.

Search Text in Word, Excel, PDF, ZIP and other Document Formats using C# .NET

We often need a full-text search API that enables our applications to search through documents for particular information specified as a textual search query. The documents can be of any format such as Word (Doc, Docx), PDF, HTML, EPUB, Spreadsheet (XLS, XLSX), Presentation (PPT, PPTX), images, and videos.

Text Indexing and Search your Directories using C#

Using the .NET API, you can perform searching by parts and specify the number of search threads in C#. This feature will be more beneficial when you search text in large indexes that contain thousands of documents. Furthermore, you can now get the start & end time, and the total search time to get the search results.