Encode special characters to HTML entities or decode them back. Runs in your browser.

Common HTML Entities

Character	Entity	Code
<	&lt;	&#60;
>	&gt;	&#62;
&	&amp;	&#38;
"	&quot;	&#34;
'	&apos;	&#39;
	&nbsp;	&#160;
©	&copy;	&#169;
€	&euro;	&#8364;

When to Encode

• Displaying user input in HTML (prevents XSS attacks)
• Embedding code snippets in HTML pages
• Storing special characters in XML/HTML documents