JSON Beautifier & Validator

Format, validate, and analyze JSON instantly—without sending your data anywhere.

Valid JSON

Input JSON

Formatted Output

Valid JSON

Your document is ready.

Keys
0
Values
0
Max depth
0
Characters
0

How it works

  1. 1

    Paste

    Add JSON or load the included sample.

  2. 2

    Validate

    Fix precise syntax errors, then format.

  3. 3

    Export

    Copy or download the clean result.

Frequently asked questions

Is my JSON stored or uploaded?

No. Parsing and formatting happen entirely in your browser.

What does Sort keys do?

It alphabetizes object keys recursively while preserving array order and values.

Can it handle large files?

Yes, within your browser's available memory. Very large documents may take a moment to reformat.

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