Sort object keys recursively while preserving array order and values.
Type or paste on the left — the result updates as you type.
Uses Unicode code-unit order, including numeric-looking keys. Maximum nesting depth 80; numbers use JavaScript precision.
Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.
Tool page updated: 2026-09-27
