As PDF is the popular portable document format, so there comes the need to convert documents of other formats to PDF. Today, we will see different ways to convert PPT, PPTX, or ODP presentations to PDF in Java. In an earlier post, we have seen [how to convert presentations using C#][1].
Generate Reports from JSON Data in Java
JSON is a formatted and readable data interchange format to transmit data with attributes. However, the large data in JSON format is not very presentable and easily understandable. We mostly need to convert the large JSON data into a presentable format. This article will guide you to convert JSON data into PDF report in Java using a simple template.
Generate QR Code in C# to Sign Documents and Images
In this article, we will see how to programmatically add QR codes to electronically sign documents and images using C#. GroupDocs.Signature for .NET is the API to add QR codes in PDF files, word processing documents, spreadsheets, presentations, and images. It supports various electronic signatures for a large list of supported file formats. Among the QR codes, it supports Aztec Code, DataMatrix Code, GS1 DataMatrix, GS1 QR, QR types. The API allows us to add QR codes to JPG/JPEG, PNG, WebP, BMP, GIF, SVG, CMX, and TIFF images and some more image file formats as well.
Extract Data from Invoices and Receipts in Java
In the era of online businesses, the use of digital invoices and receipts has largely increased. Similarly, the efficient data extraction from these digital invoices is also demanding. In this article, you will be knowing how to extract data from PDF invoices or receipts programmatically in Java.
Convert WebP to JPG, PNG, and PDF in Java
WebP images give transparency like PNG, animate like GIF, and the most important for any web developer is the smaller size than comparative quality JPG format. However, due to incompatibility issues or any other requirement, it is sometimes needed to convert the WebP image into JPG, PNG, or other formats.
Image Comparison in C# to Spot the Differences
Whether you want to build an application with spot the difference feature or if you want to compare two images within any of your image processing .NET based applications, you are at the right place. After this article, you can easily compare JPG, PNG, BMP, or images with some other file formats. Without wasting time, let us compare images in C# using the [.NET API for document and image conversion][1].
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Metadata Remover for Documents and Images using C#
Today we are about to learn some ways to programmatically remove or entirely clean metadata of documents as well as images using C#. In an [earlier post][1], we discussed removing the selective as well as all the available metadata properties from documents and images using Java. It is sometimes important to hide personal information from the receiver, that is attached to the document. Following are the topics that will help you clean your files from metadata using C#.
Read PDF Form Fields using C#
In this article, we will learn how to read and parse PDF documents and then programmatically extract PDF form field values in C#. Earlier, we have seen [how to extract values from PDF forms in Java][1]. After reading these articles, if you have filled feedback forms, you can extract the values within your .NET & Java applications for analysis or save them in the database.
Add Watermark to Images using C#
Let us see today, how to add watermarks to images. This helps you branding your official photography, and protects your pictures from any unauthorized use. This article will guide you to programmatically add text and images watermarks to your image files using C#. In an earlier post, we have seen the same to [add text and image based watermarks to images using Java][1]. After reading this article, it will not be difficult for you to add watermarks to JPG/JPEG, PNG, WebP, GIF, TIFF, JP2, BMP images using C# within your .NET application.