HTML Entity Encoder & Decoder

Encode HTML special characters to entities, decode entities back to characters. Prevent XSS, display symbols, sanitize user input.

Mode

Text to Encode

&lt;script&gt;alert("Hello")&lt;/script&gt;

< → <

> → >

& → &

" → "

' → '

® → ®

€ → €

£ → £

¥ → ¥

¢ → ¢

° → °

Named Entities

& Ampersand

< Less than

> Greater than

Numeric Entities

< Decimal code

< Hex code

Emoji support

😀 Hex emoji

Why Encode?

Prevent XSS attacks

Display in HTML context

Sanitize user input

Show code examples

Encoding HTML entities prevents XSS by making <script> display as text instead of executing.

Always encode user input before displaying in HTML.

Use Content Security Policy (CSP) for additional protection.