HTML Encode/Decode Tool

Features

HTML Encode Tool is a simple and easy-to-use online tool that helps you convert HTML special characters to HTML entity encoding, preventing XSS attacks and display errors. Perfect for programmers and web developers. No login required, runs entirely in your local browser, your data will not be uploaded to any server.

Main Functions

1. HTML Encoding

Convert HTML special characters to HTML entities

2. HTML Decoding

Convert HTML entities back to regular characters

3. Real-time Preview

Input shows conversion results instantly

4. One-click Copy

Click to copy results to clipboard

How to Use

1. Enter HTML code or regular text in the left input box
2. Select conversion mode: Encode or Decode
3. Click the "Convert" button
4. The result will be displayed on the right
5. Click the "Copy" button to copy the result to clipboard

Common HTML Entities Reference

Character	HTML Entity	Description
<	<	Less than
>	>	Greater than
&	&	Ampersand
"	"	Double quote
'	'	Single quote
Space		Non-breaking space

Examples

HTML Encoding:

Input：<div class="test">Hello & World</div>

Output：<div class="test">Hello & World</div>

HTML Decoding:

Input：<div>Hello World</div>

Output：<div>Hello World</div>

Features

• Completely free, no registration required
• Processed in local browser, data secure
• Supports bidirectional encoding/decoding
• Real-time preview of conversion results
• One-click copy results
• Provides entity reference table