# lowercase-keys [](https://travis-ci.org/sindresorhus/lowercase-keys) > Lowercase the keys of an object ## Install ``` $ npm install lowercase-keys ``` ## Usage ```js const lowercaseKeys = require('lowercase-keys'); lowercaseKeys({FOO: true, bAr: false}); //=> {foo: true, bar: false} ``` ## API ### lowercaseKeys(object) Returns a new object with the keys lowercased. ## License MIT © [Sindre Sorhus](https://sindresorhus.com)