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JSON Formatter & Syntax Validator

Format unreadable JSON trees with 2-space indentation, detect malformed JSON with the browser parser, and copy the resulting payload.

Accepted Input:Raw or minified JSON text
Output Format:Indented or minified valid JSON with parser feedback
Valid JSON payload
Processing policy: This runner processes supplied input in browser memory and does not send it to a remote utility-processing service. Normal application resources and optional clipboard/download browser APIs may still be used.