JSON Escape & Unescape Online

Free JSON escape and unescape tool online. Escape or unescape JSON strings instantly - handle reserved characters with ease.

This tool helps you handle reserved characters, ensuring your JSON strings are correctly formatted for parsing. Unescape JSON or escape JSON - no signup required!

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Understanding JSON Character Escaping

JSON escaping is crucial when working with strings that contain special characters. These characters have specific meanings in JSON syntax, so they must be converted to escape sequences to prevent parsing errors. When you escape a JSON string, special characters are replaced with their escape sequence equivalents. Unescaping reverses this process, converting escape sequences back to their original characters.

Developers commonly need to escape JSON when embedding it in code, passing it through APIs, or storing it in databases. For example, if your JSON contains a newline character, it must be escaped as \n to be valid JSON. Similarly, quotes within strings must be escaped as \" to avoid breaking the JSON structure.

Standard JSON Escape Sequences

  • \b - Backspace character
  • \f - Form feed (page break)
  • \n - Newline (line break)
  • \r - Carriage return
  • \t - Tab character
  • \" - Double quote
  • \\ - Backslash
  • \/ - Forward slash (optional)

For characters not covered by these escape sequences, you can use Unicode escape sequences in the format \uXXXX, where XXXX is the four-digit hexadecimal Unicode code point. This tool handles all standard escape sequences automatically, making it easy to prepare JSON strings for use in your applications.

Frequently Asked Questions

What is JSON escaping and unescaping?

JSON escaping converts special characters in a JSON string into escape sequences (like \n for newline, \" for quotes). Unescaping reverses this process, converting escape sequences back to their original characters. This is essential when working with JSON data in code, APIs, or configuration files.

Which characters need to be escaped in JSON?

JSON requires escaping for: backspace (\b), form feed (\f), newline (\n), carriage return (\r), tab (\t), double quotes (\"), and backslashes (\). The forward slash (\/) can optionally be escaped, though it's not strictly required by the JSON specification.

When should I escape JSON strings?

Escape JSON strings when embedding them in code, passing them as parameters in URLs, storing them in databases, or sending them through APIs. Escaping ensures special characters don't break your code or cause parsing errors. Many developers escape JSON before inserting it into HTML attributes or JavaScript code.

Can I unescape JSON that was escaped by another tool?

Yes, our unescape tool works with any properly escaped JSON string, regardless of which tool or method was used to escape it. It handles all standard JSON escape sequences and converts them back to their original characters.

Is my data safe when using this tool?

Absolutely. All processing happens entirely in your browser—your JSON data never leaves your device. We don't store, transmit, or log any of your content. You can safely use this tool with sensitive data, API keys, or confidential information.

What's the difference between escaping and encoding?

Escaping converts special characters to escape sequences within the same format (JSON to JSON). Encoding converts data to a different format entirely (like Base64 encoding). This tool handles escaping/unescaping, not encoding/decoding.

Does this tool work with nested JSON objects?

Yes, the tool works with any valid JSON structure, including nested objects, arrays, and complex data hierarchies. It escapes or unescapes the entire JSON string while preserving the structure.

Can I use this tool offline?

Once the page loads, the tool works entirely in your browser without requiring an internet connection. You can bookmark the page and use it offline for escaping or unescaping JSON strings.