HTML Encode/Decode

Encode and decode HTML entities to safely use text in HTML.

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Results

About HTML Encoding/Decoding

HTML encoding converts special characters (like <, >, ", ', etc.) into their corresponding HTML entities. This is crucial for preventing these characters from being interpreted as HTML tags and causing errors or security vulnerabilities in your HTML documents. Decoding reverses this process.

Why Use HTML Encoding/Decoding?

  • Prevent XSS Attacks: Encoding user-supplied data protects against Cross-Site Scripting (XSS) attacks.
  • Data Integrity: Ensure your data is displayed correctly in HTML without unexpected behavior.
  • Correct Display: Handles special characters such as &, <, >, ", ', etc. correctly within HTML

Advantages and Disadvantages

Feature Encoding Decoding
Purpose Makes text safe for HTML Restores original text from encoded form
Security Reduces XSS vulnerabilities No direct security impact
Readability Slightly reduces readability (encoded entities) Restores readability

Examples

Encoding Example: Input: "<p>Hello, world!</p>" Output: `<p>Hello, world!</p>` (or equivalent entities)

Decoding Example: Input: `<p>Hello, world!</p>` (or equivalent entities) Output: "<p>Hello, world!</p>"