1. What This Topic Is An HTML Entity Encoder is a method for converting certain characters into their HTML entity representations so they can be safely embedded inside HTML without changing how the browser interprets the document. When people say html encoder , they usually mean “turn characters like < , > , & , quotes, or non-ASCII symbols into entity code html so the browser treats them as text, not markup.” This matters because HTML is not a neutral text container. HTML is a parsing language. Characters like < and & are not just symbols; they are instructions. If you place them raw into a page, the browser tries to interpret them as tags or entities. An html entity encoder neutralizes those characters by replacing them with html character entities such as < , > , or & . A common misunderstanding is that an HTML encoder is about “encoding everything.” It is not. It targets only characters that are meaningful to the HTML parser or u...