Javascript Escape / Javascript Unescape Tool

JavaScript Escape / Unescape – Convert JavaScript Strings Online

Use this online tool to escape and unescape JavaScript strings quickly. Paste any text and convert it into a JavaScript-ready string literal, or decode an existing escaped string back into readable text. It’s a simple way to handle backslashes, quotes, newlines, and Unicode sequences without manually counting characters.

Front-end and back-end developers alike can rely on this JavaScript string converter when working with templates, JSON, HTML, or configuration data embedded in JavaScript.

What the JavaScript Escape / Unescape Tool Does

This tool supports two main operations:

• Escape JavaScript string – Turn raw text into a safe JS string literal.
• Unescape JavaScript string – Decode sequences such as \n, \t, \uXXXX, and other escape patterns back into normal characters.

Instead of worrying about broken syntax or mismatched quotes, you can use this helper to prepare strings for JavaScript code and then decode them again for debugging or inspection.

How to Escape JavaScript Strings

1. Open the tool
   Visit JavaScript Escape / Unescape.
2. Enter your text
   Paste the raw text you want to embed in JavaScript. It may include quotes, newlines, or special characters.
3. Select the “Escape” option
   The tool will:
   • Escape backslashes and quotes appropriately.
   • Convert newlines, tabs, and other control characters into sequences like \n and \t.
   • Represent non-ASCII characters using Unicode escape sequences when needed.
4. Copy the escaped output
   Paste the result into your JavaScript code, config files, or template literals.

How to Unescape JavaScript Strings

If you receive data or logs with escaped syntax, you can decode them to see the original text:

1. Paste the JavaScript-escaped string
   For example, "Line 1\nLine 2" or a JSON snippet with escaped characters.
2. Choose the “Unescape” option
   The tool converts escape sequences back into real newlines, tabs, and Unicode characters.
3. Review the decoded text
   Copy the output for easier analysis, documentation, or further processing.

Why Use an Online JavaScript Escape / Unescape Tool?

Prevent Syntax Errors in Code

Embedding multi-line strings, HTML fragments, or JSON inside JavaScript can quickly cause syntax errors if not escaped properly. This tool automates the escaping step so you can paste content safely.

Debug and Inspect Data

APIs, logs, or serialized payloads sometimes contain JavaScript-style escape sequences. Unescaping them makes it much easier to see what is actually being stored or transmitted.

Speed Up Everyday Workflow

Instead of manually editing escape sequences, you can rely on this tool as a quick “scratch pad” for adjusting JavaScript strings while you code.

Common Use Cases

• Embedding HTML snippets in JavaScript without breaking the script.
• Escaping dynamic text for use inside JS templates or inline scripts.
• Unescaping payloads from logs or network traces for easier reading.
• Preparing strings for configuration files that are interpreted by JavaScript engines.

Related Tools on CodersTool

• Java Escape / Unescape – Similar conversion for Java strings.
• HTML Encode String – Escape HTML special characters for safe rendering in pages.
• URL Encode String – Encode strings for use in query parameters and URLs.
• JSON Formatter – Validate and pretty-print JSON data for use with JavaScript.
• UTF-8 Encoding / Decoding – Examine text encodings and conversions.

FAQ – JavaScript Escape / Unescape

Does this handle Unicode escape sequences?

Yes. When escaping, the tool can represent characters using \uXXXX sequences where appropriate. When unescaping, it decodes these sequences back to their Unicode characters.

Can I use the output in JSON?

In many cases, yes. JSON strings share similar escaping rules with JavaScript strings, but you should always validate the final JSON with a JSON validator (for example, using the JSON Formatter tool).

Is the JavaScript Escape / Unescape tool free?

Yes. You can escape and unescape JavaScript strings directly in your browser without registration or cost.