HTML Encoder Decoder Online

Advanced HTML encoding and decoding tool. Convert special characters to HTML entities, decode HTML entities back to text, and handle various encoding formats for web development.

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About HTML Encoding/Decoding

What is HTML Encoding?

HTML encoding converts special characters into HTML entities to prevent them from being interpreted as HTML markup. This is essential for displaying special characters and preventing XSS attacks.

Encoding Types

  • • HTML Entities: Basic entities (<, >, &)
  • • Extended Entities: International characters
  • • HTML Hex: Hexadecimal numeric entities
  • • HTML Decimal: Decimal numeric entities
  • • All Characters: Encode every character
  • • URL Component: URL encoding/decoding

Common Use Cases

  • • Preventing XSS attacks
  • • Displaying user input safely
  • • Web scraping data processing
  • • Email template preparation
  • • International character handling
  • • URL parameter encoding

Features

  • • Real-time encoding/decoding
  • • Multiple encoding formats
  • • Input/output swapping
  • • File upload support
  • • Copy to clipboard
  • • Download results
  • • Extended character support