Developer tools
JSON Formatter
Format and indent valid JSON.
How it works
How this tool works
This browser-based tool processes the values you enter locally. Review its result before using it for an important decision or production system.
Questions answered
Frequently asked questions
Is the JSON Formatter free to use?
Yes. The JSON Formatter is free to use and does not require an account.
Does the JSON Formatter save my input?
No. Your input is processed in your browser and is not sent to a FreeToolGrid application server.
How accurate is the JSON Formatter?
The tool applies the stated calculation or conversion to the values you provide. Verify decisions involving money, health, tax, or legal matters with an appropriate professional or primary source.