What this tool does
Format, minify, inspect, and validate JSON with exact line and column errors.
Method
A local parser validates the full JSON grammar, reports stable source positions, and serializes with the selected indentation and optional key ordering.
Example
Paste a compact API response, format it with two spaces, and inspect a nested value in tree view.
Inputs and outputs
| You provide | You receive |
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Privacy and data use
Your JSON stays in your browser. Pasted data and files are excluded from network requests, analytics, and error reports.
Related tools
Common questions
Is it free?
Yes. The core tool and its standard result or export are free to use.
Do I need an account?
No for the core utility. An account or private management token is requested only for capabilities that must persist, such as editable dynamic QR links.
Can I trust the result?
The method and assumptions are visible above. Time-sensitive tools name their sources and freshness; important financial, safety, legal, or operational decisions should be verified with the primary authority.