HTML Encoder/Decoder
HTML Encoder/Decoder: Description and Use
HTML Encoder/Decoder is a tool or script that helps you encode and decode HTML entities. It is useful in scenarios where you need to safely display HTML content as text or retrieve original text from HTML entities.
HTML Encoding: This process converts special characters (such as
<,>,&, and") into HTML entities, making them safe to be used within HTML code. This is essential for preventing code injection and ensuring that special characters are displayed properly on a webpage.HTML Decoding: This process converts HTML entities back into their original characters. It's useful when you want to convert encoded HTML content back into a readable or editable format.
Uses of HTML Encoder/Decoder
- Prevent Cross-Site Scripting (XSS): When user input (like comments or form data) contains special characters, encoding them prevents malicious scripts from being executed.
- Display HTML Code as Text: If you need to display HTML code on a webpage, encoding the special characters ensures they show up as part of the content, not as executable HTML tags.
- Extract Data from HTML: Sometimes you might need to extract or process HTML entities and then decode them to get the original input.
- Data Integrity: For web applications, encoding user data before storing or displaying it ensures the content doesn't interfere with the HTML structure.
How to Use the HTML Encoder/Decoder Tool
Enter Text:
- In the input area (typically a
textarea), you can type or paste HTML content that you want to either encode or decode.
- In the input area (typically a
Encoding:
- Click the "Encode HTML" button. This will convert any special characters in the input text into their corresponding HTML entities.
- For example, the
<character will become<, and&will become&.
Decoding:
- If you have encoded text (HTML entities), you can click the "Decode HTML" button to convert the entities back into the original characters.
Copying the Result:
- After encoding or decoding, the result will be displayed in the output section. You can click the "Copy Output" button to copy the result to your clipboard.
Example Workflow
Encoding: Suppose you enter the following text in the input box:
After encoding, the output will be:
Decoding: If you enter this encoded text:
After decoding, the output will return to the original:
Summary
- HTML Encoder converts special characters into HTML entities for safe display and prevents HTML code from being interpreted as executable code.
- HTML Decoder converts HTML entities back into their original characters, useful for displaying user input or extracting raw text.
- Use Case: Protecting your website from malicious input, displaying raw HTML as text, or processing encoded data.
This tool is valuable for developers, content creators, and anyone working with HTML and web security.

