URL编码（百分号编码）是一种编码机制，用于将URL中的特殊字符转换为可以在URL中安全传输的格式。URL编码使用百分号（%）后跟两个十六进制数字来表示特殊字符。
编码示例：
输入：Hello World! → 输出：Hello%20World%21
解码示例：
输入：Hello%20World%21 → 输出：Hello World!
所有操作均在您的浏览器本地完成，不会将您的文本内容上传至服务器或保存在任何地方。您可以放心使用本工具处理敏感文本内容。
URL encoding (percent encoding) is an encoding mechanism used to convert special characters in URLs into a format that can be safely transmitted in URLs. URL encoding uses a percent sign (%) followed by two hexadecimal digits to represent special characters.
Encode Example:
Input: Hello World! → Output: Hello%20World%21
Decode Example:
Input: Hello%20World%21 → Output: Hello World!
All operations are performed locally in your browser, and your text content is never uploaded to any server or saved anywhere. You can confidently use this tool to process sensitive text content.
