What Is HTML Entity Encoder / Decoder?

A free online HTML entity encoder and decoder. Convert special characters like <, >, &, " to their HTML entity equivalents (&lt;, &gt;, &amp;, &quot;) and back. Essential for preventing XSS attacks and debugging HTML output.

Why Use HTML Entity Encoder / Decoder?

  • Bidirectional: encode and decode HTML entities
  • Syntax-highlighted output for easy reading
  • Handles &amp;, &lt;, &gt;, &quot;, &#039;, &nbsp;
  • One-click swap to reverse direction

How to Use HTML Entity Encoder / Decoder — Step by Step

1

Choose mode: encode or decode.

2

Paste your text or HTML entities into the input.

3

The output updates instantly with syntax highlighting.

4

Copy or download the result.

Who Is HTML Entity Encoder / Decoder Best For?

  • XSS prevention
  • HTML debugging
  • template escaping
  • content sanitization

HTML Entity Encoder / Decoder — Frequently Asked Questions

Why do I need to encode HTML entities?

Encoding HTML entities prevents browsers from interpreting special characters as HTML markup. This is essential for displaying code snippets and preventing XSS attacks in user-generated content.

What entities does this tool handle?

It handles the five core HTML entities: & (&amp;), < (&lt;), > (&gt;), " (&quot;), and ' (&#039;), plus &nbsp; for non-breaking spaces.

Ready to Use HTML Entity Encoder / Decoder?

Free online tool — works in your browser, no sign-up required. Start using it right now.

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