Tool Guide
A Complete Guide to using HTML Entity Encoder / Decoder
Convert special characters to HTML entities and vice versa.
What exactly is the HTML Entity Encoder / Decoder?
The HTML Entity Encoder/Decoder converts special characters to their HTML entity equivalents and vice versa. This is essential for preventing XSS vulnerabilities and ensuring special characters render correctly in web browsers.
The tool supports all standard named entities (like &, <, >, ©), numeric character references ({), and hexadecimal references ({). It processes text instantly in your browser.
How to Use This Tool
Encode or decode HTML entities in seconds:
- Choose 'Encode' to convert characters to entities, or 'Decode' to convert entities back.
- Paste your HTML or text into the input area.
- Click the button to see the converted result.
- Copy the output to use in your HTML documents.
Common Developer Use Cases
HTML entity encoding is vital for web security and display:
- XSS Prevention: Encode user input before displaying it in HTML to prevent cross-site scripting attacks.
- Email Templates: Encode special characters in HTML emails to ensure proper rendering across email clients.
- CMS Content: Convert special characters when migrating content between different content management systems.
- Code Display: Encode HTML tags when displaying code examples in web documentation.