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HTML Escape / Encoder

What is HTML Escaping?

HTML escaping converts characters that have special meaning in HTML into their safe entity equivalents so they display as literal text rather than being interpreted as markup. The five critical characters are: < becomes &lt; (less-than), > becomes &gt; (greater-than), & becomes &amp; (ampersand), " becomes &quot; (double quote), and ' becomes &#39; (apostrophe). Without escaping, these characters can break your HTML structure or, more seriously, enable Cross-Site Scripting (XSS) attacks — where an attacker injects malicious HTML or JavaScript into your page through user-supplied content. Any content that originated outside your code (user input, database values, API responses) must be HTML-escaped before being rendered in a web page.

How to Use the HTML Escape Tool

  1. Paste the text you want to safely include in HTML into the input box.

  2. Click the Escape button — special characters are converted to their HTML entity equivalents.

  3. Copy the escaped output and embed it directly in your HTML template.

This HTML escape tool runs entirely in your browser — no data is sent to any server. Essential for developers embedding user-generated content, code samples, or XML/HTML fragments inside web pages without risk of injection or markup breakage.

Need to unescape HTML? Try our HTML Unescape Tool →

Frequently Asked Questions

Why do I need to escape HTML? If you insert untrusted content directly into HTML without escaping, a user could inject tags like <script> or event handlers like onclick= into your page. This is called XSS (Cross-Site Scripting) and is one of the most common web security vulnerabilities. Escaping neutralizes any characters that could be interpreted as HTML.

What is the difference between HTML escaping and URL encoding? HTML escaping replaces characters with HTML entities for safe inclusion in HTML markup. URL encoding (percent-encoding) replaces characters with %XX sequences for safe inclusion in URLs. Use HTML escaping for HTML content and URL encoding for URL query parameters — they serve different contexts.

Should I escape all user input? Yes — when that input will be rendered as HTML. As a rule of thumb: escape on output, not on input. Store raw user input, and escape it whenever you display it in an HTML context. Escaping on input can corrupt data that is later used in non-HTML contexts.

Does HTML escaping protect against SQL injection? No. HTML escaping only protects against XSS in HTML contexts. To prevent SQL injection, use parameterized queries or prepared statements in your database layer. Different contexts require different escaping strategies.

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