How To Extract Specific Text By Color With ItextSharp

If you are looking for a simple yet effective way to extract specific text by color from a document, you may want to consider using the iTextSharp library.

This open-source library offers a powerful set of features that make it easy to perform text extraction tasks like this, with minimal effort.

In this blog post, we will explore how to use the iTextSharp library to extract specific text by color and discuss some of the valuable benefits this library provides.

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What is Itextsharp Used For?

Itextsharp is an amazing library for working with PDF files. It can be used to create, edit and manipulate PDF files. One of its most useful features is the ability to extract specific text by color. In this article, we will be exploring how to use Itextsharp to extract specific text by color.

Itextsharp is an incredibly powerful tool for extracting specific text from documents, and it supports a variety of color formats to make it easier to do so.

For instance, if you want to extract text with a specific color, you can use the RGB (Red, Green, Blue), CMYK (Cyan, Magenta, Yellow, Key), HSL (Hue, Saturation, Lightness), or Hexadecimal (Hex) color formats.

Using the color formats listed above with Itextsharp makes it easier to extract specific text from documents, and can be a useful tool for those who need to do so. With Itextsharp, you can easily extract text with the exact color you need, allowing you to find the exact information you’re looking for quickly and easily.

Itextsharp Extract Specific Text By Color – Guide

Using iTextSharp, you can extract text based on color! Although there is no direct solution for it, the ExtractText() method can allow you to gather the formatting details for a specific text and compare them to a reference color.

First, you need to create a reference color, which will be used to compare the text font color or highlight. You can do this by creating a new Base Color object and passing in the RGB values that you want to use.

Next, you need to loop through each element in the document, and compare the font color or highlight to the reference color. If the color matches, you can use the ExtractText() method to get the text.  This can be done with a bit of scripting, and you can find the scripts on websites like online.

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Limitations On The Accuracy Of Text Extraction Using Itextsharp

The accuracy of the extraction can be affected by the quality of the original document and any additional formatting that has been applied. As a result, it is possible that some text may not be accurately extracted, or some extracted text may be incorrect.

Fortunately, there are steps that can be taken to improve the accuracy of text extraction. Ensuring that the original document is of high quality and is free from any formatting is essential for achieving accurate results, in good time.

Additionally, having a clear understanding of the document layout and font sizes is also essential for accurate results. By taking these steps, it is possible to achieve a higher level of accuracy when extracting specific text by color with iTextSharp.


ItextSharp is a powerful library that can be used to manipulate PDF files and extract specific text. Extracting specific text by color is a very useful feature and can be used in a variety of scenarios.

For example, it can be used to extract certain types of information from documents that have different colors for different types of text.

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