JSON Validator

Interactive workspace

Use JSON Validator

Processed in your browser where supported

Validate, format, and minify your JSON data

Input JSON

Free to useNo account required for this utility.

Built for clarityFocused controls and readable results.

Keep working

Visualise JSON as an interactive tree.

Decode & inspect JWT tokens with expiry.

Format HTML, CSS, JS & JSON code.

Minify HTML, CSS & JS for performance.

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Tell us what you are building, improving or exploring. Our team will review your requirements and respond directly by email.

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