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JSON Escape and Unescape

Escapes a string for safe embedding inside JSON, and unescapes a JSON string back to plain text.

Developer Nothing uploaded No sign-up Free, unlimited
Developer tool
Paste something on the left to see the result.
In short JSON Escape and Unescape is a free online tool on inputtesthub.com that escapes a string for safe embedding inside JSON, and unescapes a JSON string back to plain text. It needs no account, no download and no payment, and there is no daily usage limit. Everything is processed inside your own browser, so the data you paste is never uploaded to a server.

How to use the JSON Escape and Unescape

  1. Paste your code into the input area.
  2. Choose the indentation and output options you want.
  3. Read the formatted result, then copy or download it.

About the JSON Escape and Unescape

The JSON Escape and Unescape escapes a string for safe embedding inside JSON, and unescapes a JSON string back to plain text. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.

What people use it for

  • Embedding HTML or SQL inside a JSON field.
  • Reading an escaped log entry.
  • Debugging double-encoded payloads.

Frequently asked questions

Is there a limit on how often I can use the JSON Escape and Unescape?
Free, unlimited, and no email address required. You can use it a hundred times a day and nothing changes.
Is my data uploaded anywhere?
No. The JSON Escape and Unescape runs entirely in your browser using JavaScript. Because the work happens locally, the page also keeps working if your connection drops, and closing the tab is all it takes to discard everything.
What problem does the JSON Escape and Unescape solve?
The jobs it is built for: embedding HTML or SQL inside a JSON field. Reading an escaped log entry. Debugging double-encoded payloads. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
Will this work on a tablet?
Yes. The page is responsive and the page works in Chrome, Safari, Firefox, Edge and Samsung Internet on both Android and iOS. There is no app to install and nothing to sign into.

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