HTML Entity Encode

Fast and Secure HTML Escaping in your Browser

Chars

Bits

Bytes

Encoded Entities

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Error

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Understanding HTML Entity Encoding

XSS Prevention

Escaping user-supplied text before inserting it into HTML prevents attackers from injecting live markup or scripts.

Displaying Code Snippets

Show raw HTML/XML tags as visible text on a page instead of having the browser render them.

Special Characters

Non-ASCII characters are converted to numeric entities, ensuring correct display regardless of page encoding.

Content Migration

Safely prepare plain text for storage in HTML-based CMS fields or templates.

Which Characters Get Escaped?

This tool converts the five reserved HTML/XML characters (&, <, >, ", ') into their named entities, and any character outside the standard ASCII range into a numeric entity (&#NNN;), so the output is safe to place directly inside HTML markup.

Key Takeaways

Prevents Markup Injection: Escaped text renders as literal characters instead of being interpreted as HTML tags.
Named + Numeric Entities: Common characters use named entities (&) while others use numeric form (e.g. é).
Client-Side Only: All encoding happens locally in your browser — no data is ever sent to a server.

HTML Entity Encode - Escape HTML Characters Online