# writeJson(file, object, [options], callback) Writes an object to a JSON file. `options` are the same that you'd pass to [`jsonFile.writeFile()`](https://github.com/jprichardson/node-jsonfile#writefilefilename-options-callback). **Alias:** `writeJSON()` - `file` `` - `object` `` - `options` `` - `callback` `` ## Example: ```js const fs = require('fs-extra') fs.writeJson('./package.json', {name: 'fs-extra'}, err => { if (err) return console.error(err) console.log('success!') }) ``` --- **See also:** [`outputJson()`](outputJson.md)