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JSON WORKSPACE

JSON formatting and redaction

Validate, format and compact JSON locally in your browser, mask common credential fields and preserve large numbers and original number literals.

Your JSON stays in this tab. It is never uploaded, saved in browser storage or added to the URL. Large numbers and their original notation are preserved. Comments, trailing commas and duplicate keys are not supported.

Masks values under common field names such as API key, Authorization, password, token and Cookie. Check text and custom fields for sensitive content yourself, and review the output before exporting.

Run the formatter again after editing. Maximum size: 256 KiB. Maximum nesting: 64 levels.

Estimate token costs →