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DEVELOPER UTILITY

JSON Formatter & Validator

Validate standard JSON in the current browser, then pretty-print or minify it. Comments and trailing commas are not accepted.

Example inputs

  • Example JSON{"project":"AIGC Bot","active":true}

Everything is processed only in this browser.

How it works

Validate, pretty-print, or minify standard JSON.

Frequently asked questions

Are comments and trailing commas supported?

No. The tool validates standard JSON only.

Does JSON leave the browser?

No. Content is processed only in the current page.