MyDevTools

HTML Entity Encoder / Decoder

Encode special characters to HTML entities and decode them back. Supports named, decimal, and hexadecimal formats.

Input & Settings

Settings

Output

Other formats: URL Encoder | Base64 | Hex | XML Beautifier

The HTML Entity Encoder is a privacy-first online tool designed for developers and web designers. All processing happens locally in your browser, ensuring your data never leaves your device.

Detailed Functionality

This tool provides comprehensive functionality for encoding special characters to HTML entities and decoding them back. It supports multiple formats including named entities (&), decimal numeric references (&), and hexadecimal references (&).

The interface is designed for efficiency and ease of use, with options to encode only special characters, only non-ASCII characters, or all characters. All operations are performed client-side, guaranteeing complete privacy and security for your sensitive data.

Practical Examples

Example 1: Encode HTML special characters for safe display in web pages.

  • Input: `
    Hello & Welcome!
    `
  • Output: `<div class="example">Hello & Welcome!</div>`

Example 2: Decode HTML entities back to readable text.

  • Input: `© 2024 Company & Partners`
  • Output: `© 2024 Company & Partners`

Example 3: Encode non-ASCII characters for maximum compatibility.

  • Input: `Café résumé naïve`
  • Output: `Café résumé naïve`

How to Use This Tool

Step 1: Enter Your Text

Type or paste the text you want to encode or decode into the input field.

Step 2: Configure Settings

Select the encoding mode:

  • Special characters only: Encodes only &, <, >, ", and '
  • Non-ASCII only: Encodes only characters above 127 (extended Unicode)
  • All characters: Encodes both special and non-ASCII characters

Choose the entity format:

  • Named: Uses entity names like &, <, >
  • Decimal: Uses decimal numbers like &, <, >
  • Hexadecimal: Uses hex numbers like &, <, >

Step 3: Process and Copy

Click "Encode to HTML" or "Decode from HTML" button, then copy the results to your clipboard.

Tips and Best Practices

  • All processing happens in your browser for maximum privacy
  • Use special characters mode for basic HTML escaping
  • Use non-ASCII mode when working with international text
  • Named entities are most readable; numeric entities support all Unicode characters
  • The tool automatically detects and handles both named and numeric entities when decoding
No data is sent to the server