JSON Keys Case Converter
Recursively rename JSON object keys to camelCase, snake_case, kebab-case, PascalCase, or SCREAMING_SNAKE_CASE.
Rename JSON keys by case convention
APIs, SDKs, and databases each prefer different key casing. Paste JSON to recursively rename every object key to camelCase, snake_case, kebab-case, PascalCase, or SCREAMING_SNAKE_CASE while preserving values and array order.
Also try: JSON Formatter, JS Object to JSON.
Frequently Asked Questions
Are nested objects updated?
Yes. The converter walks the full JSON tree and renames keys at every depth. Array elements that are objects are processed; primitive arrays are left unchanged.
How are existing key styles detected?
Keys are split on underscores, hyphens, dots, spaces, and camelCase boundaries before applying the target convention.
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