What this tool does
Format, validate, and inspect JSON payloads directly in the browser without sending data to a server.
Paste your JSON and click Beautify to see a formatted result.
// Beautified JSON output will appear here 👀
Format, validate, and inspect JSON payloads directly in the browser without sending data to a server.
Paste raw JSON into the editor, then use Beautify or Validate to inspect formatting problems, confirm structure, and copy a cleaner payload.
Clean raw webhook payloads before sharing them with teammates. Validate API responses during debugging or support triage. Pretty-print config files before committing or reviewing changes.
Clean raw webhook payloads before sharing them with teammates.
Validate API responses during debugging or support triage.
Pretty-print config files before committing or reviewing changes.
{"service":"billing-api","status":"ok","latencyMs":142,"regions":["us-east-1","eu-west-1"]}{
"service": "billing-api",
"status": "ok",
"latencyMs": 142,
"regions": [
"us-east-1",
"eu-west-1"
]
}No. The formatter runs in the browser, so the text stays on your device unless you choose to copy or share it.
Yes. Use the Validate action to quickly confirm whether a payload is valid JSON without changing the original text.
Yes. JSON Formatter works in the browser so you can enter data, review the result, and copy the output without needing a separate desktop app.
Found a bug, hit a confusing edge case, or want another tool? Send quick feedback about JSON Formatter.