How to use json formatter
Validate JSON and format it with two or four spaces, or minify it to a compact representation. Copy the clean result for development.
- Enter a sample value, color, URL or structured input.
- Choose the required format or options and run the tool.
- Review the output and copy it into your own workflow.
Try this next
Format an API response to make nested objects and array entries easier to inspect.
The input must be valid JSON, with quoted property names and no comments or trailing commas. Keep a copy of large numeric identifiers.
Questions, answered.
Is json formatter free to use?
Yes. This tool is part of Nepocore’s free browser toolkit. There is no paid tier, file-download gate or application account required.
What should I check before using the result?
The input must be valid JSON, with quoted property names and no comments or trailing commas. Keep a copy of large numeric identifiers.
Does this tool upload my files or text?
The tool processes its input in your browser. File contents and text are not sent to a processing server. See the privacy page for local storage and hosting details.