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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. 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's 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. 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.
Let's now separately see, how we can easily add text and image-based watermarks on your pictures, photos, or image files in C# using the .NET Watermarking API for documents and images.
Read PDF Form Fields in Java
In this article, we will discuss how to parse PDF document and extract values from PDF forms programmatically in Java. There are many situations, where we have several filled survey forms or feedbacks in PDF format from a large audience. We can easily extract the filled data values and use them for analysis. Let us now move straight towards reading these PDF forms and extract filled data field values within Java applications.
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Find and Remove Watermarks from Documents in Java
This article is useful for Java developers who are looking for a way to find and remove text or image watermarks from PDF, Word, Excel, PowerPoint, and Visio documents. In one of our posts we have learnt finding and removing watermarks from documents in C#. Let's now jump to quickly see a little about a Java API that allows adding, finding and removing watermarks from various documents in different ways.
Find and Remove Watermarks from Documents in C#
Today, we will have a look at how to find and remove watermarks from documents in C#. There can be text and image-based watermarks in a document. We can easily search and programmatically remove such watermarks from many PDF, Word, Excel, PowerPoint, and Visio supported documents.
Following topics will be covered in this article:
- .NET API for removing watermarks
- Find watermarks in documents using C#
- Remove watermarks from documents in C#
Convert CAD Drawings to PDF in C#
Today, we will learn how to programmatically convert the CAD drawings to PDF format in C#. Previously, in an earlier post, we did the same but in Java. We looked to convert the DWG, DGN, and DWF files into PDF document with the code example. Let's do it in C# using the document conversion API for .NET.
Following topics will be covered in this article:
- C# API to Convert CAD Drawings
- Converting CAD Drawings (DWG, DWF, DGN) to PDF in C#
Extract Images from Documents using C#
In this article, we will be learning to programmatically extract images from PDF, Excel, PowerPoint, and Word documents in a C# application using document parsing .NET API.
GroupDocs.Parser for .NET is document parsing and data extraction .NET API. It supports document parsing and extraction of images, text, and metadata from word-processing documents, spreadsheets, presentations, archives, and email documents.
Extracted images can be saved in BMP, GIF, JPEG, PNG, and WebP formats.