Embed JSON in a string
Prepare a JSON value for examples, logs or systems that expect a string containing JSON.
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Format tool
JSON Escape & Unescape
Escape JSON for strings and logs or unescape an encoded JSON string locally in your browser.
✓ Free to use✓ No signup✓ Runs locally
55 bytes · local only
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Processed entirely in this tab
Your input and result are not sent to JSON Hearth or stored on a server.
When to use it
What Escape JSON helps you do
Escaping represents quotation marks, line breaks and control characters safely inside another string. Unescaping recovers the embedded text for inspection.
Read escaped log output
Decode backslashes and quoted content from log lines or nested payloads.
Debug double encoding
See whether an integration serialized JSON more than once.
Important limitations
What to check before using the result
- Escaping requirements differ between JSON, JavaScript, shell commands, URLs and programming languages.
- Do not assume escaped text is safe for HTML, SQL or another unrelated context.
Common questions
About Escape JSON
Is JSON escaping the same as URL encoding?
No. They use different rules and solve different embedding problems.
Why does my text contain double backslashes?
The JSON may itself be stored inside another escaped string, producing an additional encoding layer.