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JSON Formatter & Validator

Format, minify and validate JSON in your browser.

Result—
Enter values above.

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Content reviewed: 24 September 2026

About the JSON Formatter & Validator

Format, minify and validate JSON in your browser. Use the controls above to enter the values or text required by this specific tool, then review the result together with the method and limitations shown on the page.

Method

JSON.parse validates syntax; JSON.stringify outputs normalized JSON.

For information about calculation checks, browser-side processing and external services, see Methodology & Accuracy.