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HTML Entity Encoder

Convert special characters to HTML entities for safe use in HTML markup. Runs entirely in your browser.

HTML Entity Decoder →URL Encoder →
Input
HTML Entity Encoded Output

What is HTML Entity Encoding?

HTML entity encoding replaces characters that have special meaning in HTML with their entity equivalents. For example, < becomes &lt; and & becomes &amp;. This prevents browsers from interpreting the characters as HTML tags or attributes.

HTML entity encoding is essential for XSS (Cross-Site Scripting) prevention when displaying user-supplied content in a web page. Always encode untrusted text before inserting it into HTML.