DevToolKit

JSON String Escape & Unescape

Instantly escape or unescape JSON strings. Features language-specific literal generation for JavaScript, Java, C#, Python, and Swift. 100% private.

String Utility

JSON String Logic

Configuration

Add Surrounding Quotes
Escape Unicode Characters
Pro Tip

Use the "JavaScript" target to generate strings ready to be pasted directly into .js or .ts files using single quotes.

Raw Text
Escaped Result
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How to Use

The JSON String Escape & Unescape tool is designed for developers who need to transform raw text into valid JSON string literals or vice versa.

How to use this tool

  1. Enter Input: Type or paste your text into the "Raw Text" box if you want to escape, or the "Escaped String" box if you want to unescape.
  2. Select Mode: Use the "Mode" toggle to switch between Escape and Unescape.
  3. Target Format: If escaping, select your target programming language (e.g. JavaScript, Java, Python) to generate a literal that is ready to be used in your source code.
  4. Toggle Options: Choose whether to add surrounding quotes or escape non-ASCII Unicode characters.
  5. Copy Result: Click the copy button to grab the transformed string instantly.

About This Tool

Safe String Transformation

When working with APIs or configuration files, strings often need to be "escaped" to handle special characters like quotes, backslashes, and newlines. This tool automates that process, ensuring your strings are valid JSON literals.

Our implementation uses industry-standard logic compatible with JSON.stringify and JSON.parse, making it reliable for modern web development.

Why Use This Tool

Privacy & Speed

Most online string tools send your data to a server. DevToolKit processes everything **entirely in your browser memory**. This means your sensitive code snippets, API keys, and private data never leave your computer, while providing near-instant results without network latency.

FAQ

Which characters are escaped in JSON?
Characters that require escaping in JSON are: double quotes (\"), backslash (\\), forward slash (\/ optional), backspace (\b), form feed (\f), newline (\n), carriage return (\r), tab (\t), and Unicode characters outside the basic range (\uXXXX).
What are language-specific string literals?
The tool generates the exact syntax for declaring a string in different languages: JavaScript with template literals, Java with escaped quotes, C# with verbatim strings, Python with raw strings, and Swift with multi-line strings.
Is my text processed on a server?
No. All escape and unescape processing happens locally in your browser.
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