HTML Entity Encoder & Decoder
Encode special characters into HTML entities or decode HTML entities back into plain text.
HTML Entity Encoder & Decoder
Convert special characters into HTML entity codes or decode entity strings into plain text.
About HTML Entity Encoder & Decoder
The HTML Entity Encoder transforms special HTML markup characters (<, >, &, ", ') into safe named or numeric HTML entities (<, >, &, ", ') to prevent Cross-Site Scripting (XSS) vulnerabilities.
How to Use HTML Entity Encoder & Decoder
Step 1
Paste your raw HTML string into the input area.
Step 2
Select "Encode" or "Decode" mode.
Step 3
Copy the escaped HTML entity string.
Practical Use Cases for HTML Entity Encoder & Decoder
Preventing XSS Vulnerabilities
Escape user-generated text inputs before rendering them inside raw HTML templates or code blocks.
Displaying Raw HTML Code Snippets
Format HTML tags as readable code text on websites without browser rendering execution.
Input & Output Examples
Encoding HTML Script Tag
<script>alert("XSS")</script><script>alert("XSS")</script>
Key Features & Performance
- ✓Bidirectional operation: Encode HTML entities and Decode HTML entities.
- ✓Supports named entities (<) and decimal numeric entities (<).
- ✓100% Client-Side browser execution.
- ✓1-Click copy output.
Key Terminology & Definitions
HTML Entity
A piece of text ("string") that begins with an ampersand (&) and ends with a semicolon (;) used to display reserved HTML characters.