Leo's Lab
DevOps Tool Client-Side Only

HTML Entity Encoder/Decoder

Encode special characters to HTML entities or decode entities back to characters. All processing happens locally in your browser.

Mode

Options

Input

0 characters

Output

0 characters

Common HTML Entities

&
&
<
&lt;
>
&gt;
"
&quot;
'
&#39;
[space]
&nbsp;
©
&copy;
®
&reg;
&trade;
&mdash;
&ndash;
&hellip;

Click any entity to insert it into the input field

Your Data Stays Private

  • All encoding and decoding happens entirely in your browser
  • No data is ever sent to any server
  • Perfect for encoding sensitive content like API keys in HTML