HTML Encoder - Convert Text to HTML Entities
Quick Tips
- • This tool runs entirely in your browser - your data stays private.
- • Press Ctrl+V (Cmd+V on Mac) to quickly paste text.
- • Use the Copy button to save your result to clipboard.
- • Bookmark this page for quick access!
Convert special characters to HTML entities for safe web display.
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Examples
<script>alert("XSS")</script>
<script>alert("XSS")</script>
5 > 3 && 2 < 4
5 > 3 && 2 < 4
She said "Hello" and he said 'Hi'
She said "Hello" and he said 'Hi'
<a href="https://example.com">Link</a>
<a href="https://example.com">Link</a>
Why Use This Tool?
What problems does this solve?
Displaying special characters like <, >, and & in HTML requires entity encoding. Without proper encoding, these characters break HTML structure or create security vulnerabilities.
Common use cases:
- Safely displaying user-generated content in web pages
- Preparing code snippets for HTML display
- Encoding special characters in email templates
Who benefits from this tool?
Web developers preventing XSS vulnerabilities. Technical writers preparing code documentation. Content managers embedding special characters. Anyone displaying text containing HTML characters.
Privacy first: All processing happens in your browser. Your content never leaves your device.
Frequently Asked Questions
They are the same thing - different names for converting special characters to HTML entities. Both terms refer to replacing <, >, &, and quotes with their entity equivalents.
HTML encoding prevents Cross-Site Scripting (XSS) attacks by neutralizing injected scripts. Without encoding, attackers could inject malicious JavaScript through user input fields that execute in other users' browsers.
No, store original data and encode when outputting to HTML. This preserves data for searching and editing, and allows different encoding for different output formats (HTML, JSON, plain text).
Named entities use descriptive names (< for less-than) while numeric entities use character codes (&#60;). Both work in browsers, but named entities are more readable.
The five critical characters are <, >, &, double quotes, and single quotes. These can break HTML structure or enable attacks. Other special characters may need encoding depending on your charset.
Yes, all encoding happens locally in your browser using JavaScript. Your text is never sent to any server, ensuring complete privacy for all content.
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