HTML Entity Encoder/Decoder
Convert special characters to HTML entities and back. Prevent XSS, fix encoding issues.
Common HTML Entities Reference
| Character | Entity | Numeric | Description |
|---|---|---|---|
| < | < | < | Less than |
| > | > | > | Greater than |
| & | & | & | Ampersand |
| " | " | " | Double quote |
| ' | ' | ' | Single quote |
| © | © | © | Copyright |
| ® | ® | ® | Registered |
| € | € | € | Euro sign |
| £ | £ | £ | Pound sign |
HTML Entity Encoder/Decoder Features
Free HTML entity tool — encode special characters to HTML entities for safe display in web pages. Essential for preventing XSS attacks and fixing encoding issues.
When to Use HTML Entities
- XSS Prevention — Encode user input before displaying in HTML
- Displaying Code — Show HTML/XML tags as text, not rendered elements
- Email Templates — Ensure special characters display correctly
- URL Parameters — Encode special characters in query strings
What Gets Encoded
- Reserved characters — <, >, &, ", '
- Accented characters — é, ñ, ü, ö, etc.
- Symbols — ©, ®, €, £, ¥, etc.
- Mathematical symbols — ±, ×, ÷, ², ³, etc.
This tool runs in your browser. Your text is never sent to a server — completely private.