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JSON Escape/Unescape Online — Convert JSON to String

Free, browser-based JSON escape and unescape tool. Convert JSON objects into escaped strings or decode escaped strings back to valid JSON.

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What is JSON Escape/Unescape?

Sometimes you need to embed a JSON document as a string value within another JSON document, or you need to pass it as a command-line argument to a script. To do this, all double quotes and special characters within the JSON must be “escaped” (preceded by a backslash \).

This tool allows you to instantly escape a JSON object into a valid string representation, or do the reverse (unescape) to turn a deeply escaped string back into a readable JSON document.

This tool is entirely browser-based, meaning all the processing happens in your device’s memory. No data is transmitted to an external server, keeping your sensitive information completely private.

Features

  • Toggle between escape and unescape modes
  • Instantly convert JSON objects to escaped strings
  • Decode heavily escaped JSON back to readable format
  • Fast processing using native JavaScript APIs

How to use JSON Escape/Unescape

  1. Select mode: Choose “escape” or “unescape” from the top toolbar.
  2. Paste your JSON: Drop your text into the “Input” panel on the left.
  3. Review the Output: The tool will automatically process your input and display the result on the right.
  4. Copy the result: Click “Copy output” to quickly save the text to your clipboard.