HTML实体转换器

编码和解码HTML实体以防止XSS攻击并安全显示特殊字符。

🔒 HTML Encode

Encoding Format:

Named (<)Decimal (<)Hexadecimal (<)

Encode Everything (including safe characters)

Input (Plain Text):

Output (HTML Entities):

Output will appear here...

💡 Common HTML Entities

CharacterNamedDecimalHex

<<<<

>>>>

&&&&

""""

''''

©©©©

€€€€

🔒 Prevent XSS

Encode user input to prevent cross-site scripting attacks

📝 Display HTML

Show HTML code as text without executing it

🔄 Data Transfer

Safely transmit special characters in URLs and forms

🌐 Internationalization

Handle unicode characters across different systems

主要功能

• 双向转换（编码 ↔ 解码）
• 多种编码格式：命名、十进制、十六进制
• 实时转换

使用案例

防止XSS攻击、显示HTML代码

相關工具

• Base64 Encoder
• URL Encoder