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Escape and Unescape a String (JSON, JS, HTML)

Escape a string for JSON, JavaScript, shell or HTML without quote errors.

🔒 100% client-side — no data sent

Escape or unescape a string for JSON, JavaScript, shell or HTML in an instant. Avoid quote, newline and reserved-character errors in your code. Everything runs in your browser, so no data leaves your machine.

What is it for?

  • Paste multiline text into a valid JSON string
  • Escape quotes for a shell command
  • Convert reserved characters into HTML entities
  • Unescape a JSON value to read it clearly

FAQ

Which escape formats are supported?

JSON, JavaScript, shell and HTML, each with its own special-character rules.

What is the difference between escaping for JSON and for HTML?

JSON escapes quotes and newlines with backslashes, while HTML replaces characters with entities like < or &.

Does the tool work offline?

Yes, all processing is local and requires no data upload.