JSON Escape
Escape and unescape JSON strings online. Convert special characters like quotes, backslashes, and newlines to safe escape sequences instantly in your browser.
What is JSON escaping?
JSON escaping is the process of converting special characters (such as double quotes, backslashes, and control characters) into escape sequences (like \", \\, \n) so they can be safely included within JSON string values without breaking the JSON structure.
What is JSON unescaping?
JSON unescaping is the reverse process — it converts escape sequences like \" and \n back into their original characters (double quotes and newlines), restoring the human-readable form of the string.
Which characters need to be escaped in JSON?
In JSON, the following characters must be escaped: double quotes ("), backslashes (\), and control characters such as newlines (\n), tabs (\t), carriage returns (\r), backspace (\b), and form feed (\f). Characters below U+0020 can also be escaped using \uXXXX notation.
Is my data safe with this tool?
Absolutely. All processing happens entirely in your browser using JavaScript. No data is ever sent to any server, making it safe to process sensitive or confidential JSON content.
How do I escape a JSON string for use in JavaScript code?
Paste your text into the input field, select Escape mode, and optionally enable "Wrap in quotes". The output will be a properly escaped string that you can directly embed in JavaScript or JSON code.
What is the difference between JSON escape and URL encode?
JSON escape handles characters that are special within JSON syntax (quotes, backslashes, control characters). URL encoding (percent encoding) handles characters that are unsafe in URLs. They serve different purposes and produce different output formats.
Can this tool handle large JSON files?
Yes. The tool processes text directly in your browser with no file size limits. Performance depends on your device capabilities, but typical JSON payloads are processed instantly.
What does "Wrap in quotes" do?
When enabled, the escaped output is wrapped in double quotes, producing a valid JSON string literal (e.g., "Hello \"World\""). Without this option, only the escaped content is shown without surrounding quotes.
Can I use this tool offline?
Yes. Once the page is loaded, all functionality works without an internet connection since everything runs locally in your browser.
How do I escape Unicode characters in JSON?
Standard ASCII characters like quotes and backslashes are escaped with backslash notation (\", \\). For other Unicode characters, you can use the \uXXXX format. This tool handles standard escape sequences automatically.
What is the difference between single quotes and double quotes in JSON?
In JSON, only double quotes are valid for wrapping string values. Single quotes have no special meaning and do not need to be escaped. If your JSON uses single quotes as delimiters, it is not valid JSON.
Why do I need to escape JSON strings?
Escaping is necessary when you need to embed user-generated content, dynamic values, or text containing special characters into JSON. Without proper escaping, characters like quotes or newlines would break the JSON syntax and cause parsing errors.
How to Use JSON Escape
Escape or unescape JSON strings by turning quotes, backslashes, and newlines into safe escape sequences — or back into real characters. It runs entirely in your browser, and nothing you paste is uploaded.
- Paste the text or JSON string you want to convert into the input area.
- Press “Escape” to convert special characters such as quotes, backslashes, and newlines into safe escape sequences.
- Press “Unescape” to do the reverse and turn escape sequences back into real quotes, backslashes, and line breaks.
- Enable “Wrap in quotes” when you need the result enclosed in double quotes, ready to paste into JSON.
If your output shows doubled backslashes, the input was probably already escaped — run “Unescape” once before escaping again.
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