HTML 編碼解碼器
在线編碼和解碼 HTML 實體。将特殊字元轉換為 HTML 實體，反之亦然。
要編碼的文本
功能介紹
The HTML Encoder & Decoder tool converts special characters to HTML entities and back. It helps you prevent XSS issues, display code snippets safely, and debug double-encoding bugs in web applications.
什麼時候用這個工具？
Use this tool whenever you need to escape or unescape HTML: rendering user input safely, showing raw HTML in documentation, or inspecting how entities are stored in a database.
使用步驟
Choose encode or decode
Decide whether you want to turn raw text into HTML entities or convert existing entities back into normal characters.
Paste your text or HTML
Paste HTML markup, user input, or text containing entities such as & or < into the input area.
Run the conversion
Click the convert button to see either the encoded or decoded result in the output box.
Use the safe output
Copy the processed text into templates, CMS fields, or debugging tools to confirm it behaves correctly.
使用範例
Displaying code samples on a blog
Encode HTML tags so they appear as text instead of being executed by the browser when embedded in articles.
Diagnosing double-encoding
Decode suspicious strings to see if they were accidentally encoded more than once when saving to or reading from a database.