HTML エンティティエンコーダー

特殊文字を HTML エンティティにエンコード、またはデコードします。

html entity encoderhtml encode decodehtml escapehtml unescapehtml entities online

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Options

Mode

Input

Output

Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.

Examples

Example 1

<p>Hello & "World"</p>

Click "Example 1" above to load

Example 2

&lt;script&gt;alert(&quot;XSS&quot;)&lt;/script&gt;

Click "Example 2" above to load

Example 3

Café & résumé

Click "Example 3" above to load

Frequently Asked Questions

Q: Why encode HTML entities?

A: To safely display characters like <, >, &, " in HTML without being interpreted as markup.

Q: What characters are encoded?

A: All characters with HTML entity equivalents, including &, <, >, ", ', and extended Unicode characters.

Q: Is my data safe?

A: Yes, all processing happens locally in your browser. Nothing is sent to servers.

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Privacy & Security

This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.