HTML Entity Encoder Online
Free online HTML entity encoder that escapes markup characters before rendering untrusted text.
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Free online HTML entity encoder that escapes markup characters before rendering untrusted text.
How it works
This tool converts characters like <, >, &, and quotes into HTML entities. It helps safely display untrusted text inside HTML.
Example
Input:
<script>alert("x")</script>
Output:
<script>alert("x")</script>FAQ
Does encoding prevent XSS?
Encoding helps when outputting text into HTML, but correct escaping depends on context (HTML, JS, URL). Use context-appropriate escaping.
What characters should I always encode?
At minimum encode &, <, >, ", and ' when inserting untrusted text into HTML.
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