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.

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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, 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. The following are the topics covered …

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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. This article will also show you the code examples regarding: Merge PDF filesMerge Word documentsMerge selective pagesMerge spreadsheets and presentations I will be using the GroupDocs.Merger for .NET in all the examples below. Before you proceed, you may get the API from either of the following options: Install the package from …

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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 similar to the one launched by GroupDocs, using the document …

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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#. First, we will have a look to convert the WebP images in the simplest way. Later we will convert with some customized options like tilt, flip, grayscale, resize, change gamma, contrast, and brightness, and add watermark to converted JPG images. Following are …

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Classify your Customer Feedback using Sentiment Analysis in C#

Suppose that you have the opportunity to receive text comments 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. Sentiment analysis is based on a deep neural network model that is suitable for a wide range of tasks. Sentiment Classification API for .NET If you want to do sentiment analysis programmatically, GroupDocs.Classification serves that purpose for you. It implements a general-purpose sentiment …

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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. GroupDocs.Search is a powerful full-text search API that allows you to search through over 70 document formats in your applications. To make it possible to search instantly across thousands of documents, they …

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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. Following code snippet shows how to create an index and then search text in chunks from the mentioned folder in C# using GroupDocs.Search for .NET. …

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Split or Merge PDF, Word, Excel Documents in Java

Worried about merge or split documents of various types in multiple platforms? There could be many statements in your mind: How to merge PDF documents together in Java?Want to split word documents, or merge excel spreadsheets.What to do if I need to merge PPT/PPTX presentations.Many more questions, the list may not end. In this article, we will look a bit about the following topics : How to merge PDF files in Java.Merge Word documents, Excel Spreadsheets, and PowerPoint presentations.Merge certain …

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Insert OLE Objects in Word, Excel, PowerPoint with C#

OLE stands for Object Linking and Embedding. It is provided by Microsoft and allows you to create and edit documents containing items or objects that are created by various applications. As an example, you can embed spreadsheets, images, and sound clips as OLE objects in a Word document. You can use these OLE objects in the Word document and do not worry about switching to multiple applications again and again. You can embed or insert such objects programmatically using OLE …

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