HTML Entities Encoder / Decoder

HTML entities are special sequences of characters used to represent characters that have special meaning in HTML, or characters that cannot be easily typed. For example, the less-than sign < must be written as < in HTML to avoid being interpreted as the start of an HTML tag. Common entities include & for &, < for <, > for >, and " for double quotes. Encoding user input as HTML entities is a fundamental technique for preventing Cross-Site Scripting (XSS) vulnerabilities.