Convert PNG to TXT in C#

Perform optical character recognition on PNG document and save text as PNG document using Aspose.OCR for .NET library.

How to convert PNG to TXT using C#

Aspose.OCR for .NET is a powerful yet easy-to-use and cost-effective library for converting PNG images to TXT documents. Supporting 26 languages based on Latin, Cyrillic and Chinese, its state-of-the-art optical character recognition engine provides superior recognition speed and accuracy, while isolating you from formulas, neural networks, and other complex technical details. It allows you to add OCR functionality to your .NET applications in less than 10 lines of code.

Aspose.OCR for .NET

processes scanned images or even smartphone photos in PNG format and creates PNG documents containing recognized text. To add it to your project, you just need to install the Aspose.OCR

NuGet

package in your project with the following command:

Package Manager Console Command
  PM> Install-Package Aspose.OCR

Steps to Convert PNG to TXT

With .NET OCR and just a few lines of code, you can create full-featured application that converts an PNG image to TXT document:

Create an instance of AsposeOcr class
Call AsposeOCR.RecognizeImage method
Pass the PNG file path as parameter
AsposeOCR.RecognizeImage returns a String or file of TXT type

System Requirements

Before running the example, make sure that .NET API compatible with NET Standard 2.0 specification is installed on your system and all external dependencies of Aspose.OCR package are referenced in your project.

NET Standard 2.0+ compatible solution
Aspose.OCR for .NET referenced in your project.

Live Code Sample

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Code to be executed - C#

// Initialize OCR engine
var recognitionEngine = new Aspose.OCR.AsposeOcr();
// Extract text from image
string result = recognitionEngine.RecognizeImage("<file name>");
// Display the recognition result
Console.WriteLine(result);

Recognition result

PNG What is PNG File Format

PNG, Portable Network Graphics, refers to a type of raster image file format that use loseless compression. This file format was created as a replacement of Graphics Interchange Format (GIF) and has no copyright limitations. However, PNG file format does not support animations. PNG file format supports loseless image compression that makes it popular among its users. With the passage of time, PNG has evolved as one of the mostly used image file format. Almost all Operating Systems have support for opening PNG files. For example, Microsoft Windows viewer has the capability to open PNG files as the OS has by default the support available as part of installation.

TXT What is TXT File Format

A file with .TXT extension represents a text document that contains plain text in the form of lines. Paragraphs in a text document are recognized by carriage returns and are used for better arrangement of file contents. A standard text document can be opened in any text editor or word processing application on different operating systems. All the text contained in such a file is in human-readable format and represented by sequence of characters.

Other Supported Conversions

Using C#, one can easily convert different formats including.

TXT (Text Document File)

Text (Text Document File)

DOC (Documents generated by Microsoft Word)

DOCX (Microsoft Word documents)

XLS (Microsoft Excel Binary File Format)

XLSX (Microsoft Excel documents)

PDF (Portable Document Format (PDF))

Searchable PDF (Searchable Portable Network Graphics )

XML (Extensible Markup Language)

JSON (JavaScript Object Notation)