HTML Entity Encoder & Decoder
Encode special characters to HTML entities or decode HTML entities back to plain text.
Common HTML Entities
🔣 What Are HTML Entities?
HTML entities are special codes used to represent characters that have special meaning in HTML. For example, the less-than sign (<) starts an HTML tag, so to display it as text you must encode it as <.
Encoding prevents XSS (Cross-Site Scripting) attacks and ensures characters like &, <, >, and quotes display correctly in web pages instead of being interpreted as HTML markup.
❓ Frequently Asked Questions
Which characters need encoding?
At minimum: & (ampersand), < (less than), > (greater than), " (double quote), and ' (single quote). These characters have special meaning in HTML and must be encoded when used as text content.
Why is HTML encoding important for security?
Without encoding, user-supplied text containing <script> tags could execute malicious JavaScript (XSS attack). Encoding converts these characters to harmless entities that display as text.
Is this tool free?
Yes, 100% free. No account, no ads. All processing happens in your browser.