DEVELOPER TOOLS
JSON Formatter
Paste JSON to format it into a readable structure. The formatter runs in your browser and does not upload your data.
Use with related data tools
Paste JSON and choose an action.
Your JSON is processed locally in your browser. It is not uploaded by this tool.
How it works
JSON Formatter uses the values you enter to produce a clear result directly in your browser. Inputs are designed to be easy to review before you copy, print, or use the result.
Example
Open the tool, enter a realistic sample value, review the output, and adjust the fields until the result matches your workflow.
Frequently Asked Questions
Is my JSON uploaded?
No. The formatter runs in your browser.
Can it detect invalid JSON?
Yes. Invalid JSON displays a clear error message.