JSON Formatter
Pretty-print JSON with indentation.
Runs locally in your browser. No signup.
How it works
- 1 Paste your input.
- 2 Pick options if needed.
- 3 Copy the output.
Output is pretty-printed with two-space indents.
FAQ
What does "pretty-print" mean?
It means formatting the JSON with proper indentation and line breaks to make it human-readable.
Does it validate the JSON?
Yes. If the JSON is invalid, it will typically show an error message.
Can I choose the indentation size?
Most formatters default to 2 or 4 spaces, but some allow customization.
Does this tool store my input?
No. Your input is processed locally in your browser and is not uploaded or stored.