Which characters are encoded by default?

The five reserved HTML characters: &, , ", and '.

What does 'encode all non-ASCII' do?

It converts every character beyond basic ASCII into a numeric HTML entity, useful for maximum compatibility.

How does decoding work?

It uses the browser's own HTML parser to resolve entities, so all named and numeric entities are supported.

HTML Entity Encoder

Encode or decode HTML entities in text.

Works Offline

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No API

Encode all non-ASCII characters

Input

Output

&lt;div class=&quot;greeting&quot;&gt;Hello &amp; &quot;world&quot;&lt;/div&gt;

About the HTML Entity Encoder

Convert reserved HTML characters like <, >, &, and quotes into safe entities, or decode HTML entities back into plain text. Optionally encode every non-ASCII character as a numeric entity.

Examples

Encode markup

<div>Hi & "bye"</div>

Output

&lt;div&gt;Hi &amp; &quot;bye&quot;&lt;/div&gt;

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Frequently asked questions

Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser