The HTML Escaper is a vital security and utility tool for web developers, content creators, and security professionals. Its primary function is to convert characters that have special meaning in HTML into their corresponding HTML entities (a process known as 'escaping'). For example, the less-than sign (<) is converted to &amp;lt;, the greater-than sign (>) to &amp;gt;, and the ampersand (&amp;) to &amp;amp;. This process is essential for two main reasons: security and display. From a security perspective, escaping user-generated content before rendering it on a page is one of the most effective ways to prevent Cross-Site Scripting (XSS) attacks. By converting potentially malicious script tags into harmless text entities, the browser treats the input as literal text rather than executable code. From a display perspective, escaping allows you to share code snippets, documentation, or any text containing HTML-like syntax without the browser attempting to parse it as actual HTML elements. Our tool also provides a 'Unescape' function, which reverses the process, turning HTML entities back into their original characters. All processing happens entirely within your browser using client-side JavaScript, ensuring your data remains private and is never transmitted to external servers. The real-time interface allows you to instantly see the results of your conversion, making it easy to prepare content for blog posts, technical documentation, or secure database storage. Whether you're a developer building secure web applications or a writer sharing technical tutorials, this tool ensures your content is both safe and correctly presented.