HTML Encoder/Decoder

Encode HTML special characters to entities or decode entities back to characters.

Input

Result

How to Calculate

HTML encoding converts characters with special meaning in HTML into entities. Key conversions: • & → & • < → < • > → > • " → " • ' → ' Common use cases: • Displaying code on web pages • Preventing XSS (Cross-Site Scripting) attacks • Safely displaying special characters in HTML documents

Example

Input: <script>alert("XSS")</script> Encoded: <script>alert("XSS")</script> Input: Tom & Jerry Encoded: Tom & Jerry