# object-to-formdata > Convenient JavaScript function that serializes Objects to FormData instances. [![npm](https://img.shields.io/npm/v/object-to-formdata.svg)](https://www.npmjs.com/package/object-to-formdata) [![npm](https://img.shields.io/npm/dt/object-to-formdata.svg)](https://www.npmjs.com/package/object-to-formdata) ## Install ```sh npm install object-to-formdata ``` ## Usage **NOTE: STARTING WITH VERSION 4.0.0, THE NAMED EXPORT HAS CHANGED!** **NOTE: STARTING WITH VERSION 3.0.0, THERE IS NO DEFAULT EXPORT!** ```js import { serialize } from 'object-to-formdata'; const object = { /** * key-value mapping * values can be primitives or objects */ }; const options = { /** * include array indices in FormData keys * defaults to false */ indices: false, /** * treat null values like undefined values and ignore them * defaults to false */ nullsAsUndefineds: false, /** * convert true or false to 1 or 0 respectively * defaults to false */ booleansAsIntegers: false, /** * store arrays even if they're empty * defaults to false */ allowEmptyArrays: false, /** * don't include array notation in FormData keys for any Attributes excepted Files in arrays * defaults to false */ noAttributesWithArrayNotation: false, /** * don't include array notation in FormData keys for Files in arrays * defaults to false */ noFilesWithArrayNotation: false, /** * use dots instead of brackets for object notation in FormData keys * defaults to false */ dotsForObjectNotation: false, }; const formData = serialize( object, options, // optional existingFormData, // optional keyPrefix, // optional ); console.log(formData); ```