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JSON Formatter
Paste your JSON below to format, validate and make it easier to read. This tool runs in your browser and does not upload your input.
100% Private & Secure
This tool runs in your browser.
Your data is never uploaded or stored.
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Click Format or Minify to see resultsHow to use
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Paste your JSON into the input box.
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Click Format to beautify and validate it.
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Copy the formatted output when you are done.
Why use this tool?
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Fast, instant results — no waiting, no page reloads.
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Clean, focused interface designed for developers.
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100% private — everything runs in your browser, nothing is uploaded to any server.
Frequently Asked Questions
Is my JSON uploaded to a server?
No. This tool runs in your browser, so your JSON is processed locally.
Can this tool validate invalid JSON?
Yes. If your JSON is invalid, the tool will show an error message.
What is JSON formatting?
JSON formatting adds indentation and line breaks to make JSON easier to read.