HTML Entity Encoder / Decoder
Encode special HTML characters into entities (& < >) or decode them back to readable text — display code safely and neutralize injection vectors. Code never leaves your device — formatting and validation run locally in your browser.
How to Use the HTML Entity Encoder / Decoder
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Frequently Asked Questions
When do I need entities?
Displaying code or angle brackets inside HTML without the browser parsing them.
Named or numeric?
Named (&) for readability, numeric (&) for maximum compatibility.
Does it prevent XSS?
Encoding user input neutralizes injection — a core output-escaping defense.
Is my work uploaded anywhere when using HTML Entity Encoder?
No — encoding runs locally in your browser, free with no signup.
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Last updated October 2026