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Format API Response JSON
Pretty-print and inspect API response JSON so nested fields and errors are easier to understand.
Problem
An API response is minified, nested, or difficult to scan during debugging.
What to do
Formatting the response makes status objects, arrays, pagination fields, and nested payloads easier to review without changing the data.
- 1Paste the raw API response.
- 2Format or analyze the JSON.
- 3Copy the readable result or continue into schema generation.
Example
Example input
{"id":1,"name":"Ava","plan":"Pro"}Example output
{
"id": 1,
"name": "Ava",
"plan": "Pro"
}Use the browser tool
API Response Formatter is a free, browser-based tool that helps you make messy data readable. Pretty-print and inspect API JSON. It's built for speed and privacy: Everything runs locally in your browser — your data is never uploaded to a server. No sign-up, no installs, and no daily limits.
People also ask
- How do I use API Response Formatter?
- Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Pretty-print and inspect API JSON.
- Is my data uploaded or stored anywhere?
- No. Everything runs locally in your browser — your data is never uploaded to a server. Nothing is sent to a server, so it's safe to use with private or sensitive data.
- Is API Response Formatter free?
- Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.