Does it validate JSON too?

Yes. JSON is automatically validated during parsing. If there is an error, a detailed message with the location is shown.

Can it handle arrays and nested objects?

Yes, it handles all JSON types including arrays, nested objects, null, booleans, and numbers.

Can it process large JSON?

Yes, within your browser's memory limits. Files of several dozen megabytes can typically be processed without issues.

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Developer Tools

Input

JSON Formatter Features

Formats compressed or unformatted JSON with clean 2-space indentation. Provides detailed error messages when invalid JSON is entered. Copy the formatted result instantly.

How to Use

① Paste your JSON text into the input field. ② Click 'Format'. ③ The formatted JSON with proper indentation appears below. ④ Click 'Copy' to save the result to your clipboard.

When to Use

• Inspecting API response JSON to understand its structure • Cleaning up config or package.json files • Making compressed JSON logs readable • Finding and debugging JSON syntax errors

Frequently Asked Questions

Q. Does it validate JSON too?: A. Yes. JSON is automatically validated during parsing. If there is an error, a detailed message with the location is shown.
Q. Can it handle arrays and nested objects?: A. Yes, it handles all JSON types including arrays, nested objects, null, booleans, and numbers.
Q. Can it process large JSON?: A. Yes, within your browser's memory limits. Files of several dozen megabytes can typically be processed without issues.