HTML Entity Encoder/Decoder

Professional HTML entity encoding tool for web security. Prevents XSS attacks by properly encoding HTML characters. Supports both basic and full entity encoding modes.

Basic: Encodes only essential HTML characters (&, <, >, ", ')
Full: Encodes all non-ASCII characters as numeric entities ({)

Text Input (Encode to HTML Entities)

HTML Entities Output

HTML Entities Input (Decode to Text)

Decoded Text Output

Enter text or HTML entities above to see real-time conversion results.

HTML Entity Encoding

HTML entity encoding converts characters that have special meaning in HTML into their entity equivalents to prevent XSS attacks and display issues.

Common entities:

& → &amp;
< → &lt;
> → &gt;
" → &quot;
' → &#39;

Key Features

Dual encoding modes - Basic vs Full entity encoding
XSS prevention - Safe HTML content generation
Real-time conversion - Instant encoding and decoding
Bidirectional - Encode and decode in both directions
One-click copy - Copy results to clipboard instantly
Unicode support - Handles all characters properly
No server processing - All conversion happens in browser