JSON Formatter & Validator

PopularDeveloper Tools

Format, validate, and minify JSON instantly with clear error messages.

What you can do with this tool

Pretty-print a minified JSON API response
Validate JSON before using it in code
Minify JSON before sending it over the wire

Frequently asked questions

What happens if my JSON is invalid?: The exact line and reason for the error is shown so you can find and fix the problem quickly.

What would you like to do next?

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