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Unstringify JSON

Decode a stringified JSON blob and pretty-print the underlying document. Good for webhook payloads, log lines, and double-encoded JSON. Runs in your browser.

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How It Works

  1. 1

    Paste stringified JSON

    Including the outer quotes. The whole `"…"` blob.

  2. 2

    Parses and re-formats

    Outer string is unwrapped, inner JSON is parsed and pretty-printed.

  3. 3

    Copy clean JSON

    Use the formatted result in fixtures, docs, or mocks.

Use Cases

  • Decode webhook payloads

    Many webhook providers send the body as a stringified JSON field. Unwrap it to read.

  • Read DB text columns

    Decode JSON stored in a `text` column instead of a native JSON type.

  • Inspect error tracker events

    Sentry, Bugsnag, and Datadog often store payloads as stringified JSON. Unwrap to inspect.

  • Recover from double-encoding

    Fix accidentally double-encoded JSON in API responses.

Frequently Asked Questions

It takes a JSON-encoded *string*. A quoted blob with all the inner quotes escaped, like `"{\"a\":1}"`. And returns the underlying JSON document, pretty-printed.
Whenever JSON is embedded as a value inside another JSON document. Common in webhook payloads, database `text` columns, log lines that capture API responses, error tracking events, and any system that double-encodes by mistake.
`JSON.parse` once turns the outer string into the inner string. This tool calls it twice. First to remove the outer quoting, then to re-parse and pretty-print the inner JSON. The output is human-readable JSON, not a raw string.
You will see an error: 'Input is not a JSON-encoded string.' Use a regular JSON formatter for that case.
No. Parsing happens entirely in your browser.
Yes. The output is valid, formatted JSON. Copy or download for use in tests, mocks, or documentation.

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