JavaScript Escape / Unescape
Escape special characters in JavaScript string literals.
HTML / JS String Escaping Workbench
About JavaScript Escape / Unescape
The JavaScript String Escape & Unescape Tool converts special characters (quotes, backslashes, newlines, tabs, Unicode codepoints `\uXXXX`, hex `\xXX`) into valid JavaScript string literal escape sequences and vice-versa.
How to Use JavaScript Escape / Unescape
Step 1
Type or paste text into the input box.
Step 2
Select operation (Escape or Unescape) and quote delimiter style.
Step 3
Review the escaped/unescaped string output.
Step 4
Click "Copy Result".
Practical Use Cases for JavaScript Escape / Unescape
Embedding Multi-Line HTML & SQL in JavaScript Strings
Escape multi-line strings, double quotes (`"`), and single quotes (`'`) to safely assign strings inside JavaScript variables without syntax errors.
Decoding Obfuscated `\x` and `\u` Unicode Escape Sequences
Unescape hexadecimal and Unicode escape sequences found in minified or obfuscated JavaScript code back into readable characters.
Input & Output Examples
Escaping Multi-Line Text with Quotes
Text: Hello "World", Path: C:\Program Files
Escaped: "Hello \"World\"\nPath: C:\\Program Files" | JSON Escaped: "Hello \"World\"\nPath: C:\\Program Files"
Key Features & Performance
- ✓Escape modes: Single Quotes, Double Quotes, Template Literals, and JSON Strings.
- ✓Unescape modes: Decodes newlines, tabs, carriage returns, quotes, backslashes, hex, and unicode escapes.
- ✓Supports ES6 Unicode code point escapes.
- ✓100% Client-Side memory execution.
- ✓1-Click Copy escaped/unescaped string.
Key Terminology & Definitions
String Escape Sequence
A sequence of characters starting with a backslash representing a non-printable character or reserved quote delimiter in source code.
Unicode Escape
A four-digit hexadecimal escape representing a 16-bit UTF-16 code unit in JavaScript string literals.