How to convert and view TXT files

Introduction

TXT documents are simple text documents, without additional (font size, paragraphs/text styling) formatting. These files can be opened with windows notepad, or Microsoft office/OpenOffice desktop applications. In case you need to view a text files in a browser or in a standard image or PDF viewer application, you can convert it to HTML, JPEG, PNG  PDF format with GroupDocs.Viewer. 

How to convert Text files

Convert TXT to HTML

To convert TXT files to multiple pages HTML with GroupDocs.Viewer for Java use following code:

    try (Viewer viewer = new Viewer("sample.txt")) {
       HtmlViewOptions options = HtmlViewOptions.forEmbeddedResources("output_{0}.html");

       viewer.view(options);
    }

To convert TXT files to single HTML with GroupDocs.Viewer for Java use following code:

    try (Viewer viewer = new Viewer("sample.txt")) {
       HtmlViewOptions options = HtmlViewOptions.forEmbeddedResources("output.html");
       options.setRenderSinglePage(true);

       viewer.view(options);
    }

The following screenshot shows the output HTML file opened in a browser.

Convert TXT to JPG

To convert TXT files to JPG with GroupDocs.Viewer for Java use following code: 

    try (Viewer viewer = new Viewer("sample.txt")) {
        JpgViewOptions options = new JpgViewOptions("output.jpg");
    
        viewer.view(options);
    }

The following screenshot shows the output JPG file opened in a Windows Photo Viewer application.

Convert TXT to PNG

To convert PLT/HPG files to PNG with GroupDocs.Viewer for Java use following code: 

    try (Viewer viewer = new Viewer("sample.txt")) {
        PngViewOptions options = new PngViewOptions("output.png");
        
        viewer.view(options);
    }

The following screenshot shows the output PNG file opened in a Windows Photo Viewer application.

Convert TXT to PDF

To convert TXT files to PDF with GroupDocs.Viewer for Java use following code: 

    try (Viewer viewer = new Viewer("sample.txt")) {
        PdfViewOptions options = new PdfViewOptions("output.pdf");
    
        viewer.view(options);
    }

The following screenshot shows the output PDF file opened in an Acrobat Reader.

More resources 

GitHub Examples 

You may easily run the code above and see the feature in action in our GitHub examples:

• GroupDocs.Viewer for Java examples, plugins, and showcase
• Document Viewer for .NET App WebForms UI Modern Example
• Document Viewer for Java App Dropwizard UI Modern Example
• Document Viewer for Java Spring UI Example
• GroupDocs.Viewer for .NET samples, plugins and showcase
• Document Viewer for .NET MVC UI Example 

Free Online App 

Along with full-featured Java library we provide simple but powerful free Apps.
You are welcome to view your documents with free to use online GroupDocs Viewer App.