Narzędzie Escape Unescape

Escape znaków specjalnych dla HTML, JavaScript lub JSON. Bezpłatne, bez rejestracji.

Input

Output

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How to Use

Select the escaping format: HTML, JavaScript, or JSON
Choose Escape or Unescape mode
Paste your text into the input area
Copy the escaped or unescaped result

Common Use Cases

Sanitizing user input before rendering in HTML
Preparing strings for JSON API payloads
Debugging escaped characters in log files
Building safe JavaScript string literals

Frequently Asked Questions

What is the difference between HTML and JavaScript escaping?

HTML escaping converts < > & " to HTML entities for safe display in web pages. JavaScript escaping adds backslashes before quotes, newlines, and special characters for safe use in JS strings.

Why do I need to escape strings?

Unescaped strings can cause XSS (cross-site scripting) attacks in HTML, syntax errors in JavaScript, or invalid JSON. Escaping ensures special characters are treated as data, not code.

Can I unescape encoded strings back to plain text?

Yes. Switch to Unescape mode and paste the encoded string. The tool will convert escape sequences back to their original characters.