Aspose.HTML for Java How-To Articles

Find focused Aspose.HTML for Java examples for selecting and editing DOM elements, changing CSS styles, adding images and alternative text, and saving a webpage as PDF. Each guide explains one task with Java code, expected results, common issues, and relevant API links.

The articles in this section answer practical questions about working with HTML in Java. Choose a guide by the result you need rather than by an individual API class.

Find and Process HTML Elements

• Use CSS Selectors in Java – find the first or all matching elements with querySelector() and querySelectorAll(), extract values, and update the DOM.
• Use XPath in HTML with Java – evaluate XPath expressions, select nodes by structure, attribute, position, or text, and extract image URLs.

Add and Improve HTML Images

• Add an Image to HTML in Java – create <img> elements, insert images into existing HTML, and add CSS background images.
• Add Alt Text to Images in Java – find images without alt attributes, add reviewed descriptions, and preserve intentional alt="" values.

Change HTML Colors and Borders

• Change HTML Text Color in Java – apply the CSS color property to one element or multiple matching elements.
• Change HTML Background Color in Java – change the background of a specific element or the complete page with inline or internal CSS.
• Change HTML Border Color in Java – set border width, style, and color, use different colors for each side, and style table grids.

Save Online Content

• Save a Webpage as PDF in Java – load a public URL and reachable linked resources, select screen or print CSS, and create a paginated PDF.

More Aspose.HTML for Java Resources

• Getting Started – install Aspose.HTML for Java, review requirements and licensing, and run a first example.
• Working with HTML Documents – create, load, edit, configure, and save HTML documents.
• Converting Between Formats – convert HTML, SVG, MHTML, EPUB, and Markdown to supported document and image formats.
• Data Extraction – navigate HTML and extract text, links, images, SVG, files, and complete websites.
• Web Accessibility – validate HTML against supported WCAG 2.0 rules and inspect accessibility results.
• Aspose.HTML for Java API Reference – browse classes, methods, constructors, and properties.
• Aspose.HTML for Java Examples on GitHub – download additional Java examples and supporting data files.

Other Platforms

• Aspose.HTML for .NET How-To Articles – solve corresponding HTML tasks with C# examples.
• Aspose.HTML for Python via .NET How-To Articles – explore available HTML workflows in Python.