What are HTML entities?

HTML entities are codes (like <) used to display reserved characters (like <) that would otherwise be interpreted as HTML tags.

Which characters are unsafe?

The most critical characters to escape are & " and '.

The most critical characters to escape are & " and '.

Convert special characters to HTML entities and decode HTML entities back to their original characters.

Named entity encoding (e.g., &)

Numeric entity encoding (e.g., &)

Hexadecimal entity decoding

Non-ASCII character encoding

Common entities reference

Enter Text: Type or paste the string you want to convert in the input box.
Select Options: Toggle "Use named entities" to prefer © over numeric codes, or "Encode all" to escape every non-ASCII character.
Convert: Click "Encode" to turn characters into safe HTML entities, or "Decode" to revert entities back to text.
Swap/Clear: Use the helper buttons to swap input/output or clear fields instantly.

Security: Prevent Cross-Site Scripting (XSS) attacks by escaping user input before displaying it.
Data Integrity: Ensure special characters display correctly across all browsers and email clients.
Database Cleaning: Safely store text containing special symbols without breaking SQL queries or HTML layouts.