Node JS Read and Write Json File Example

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Today what you are going to learn:

Hello Brother,

This post is focused on node js read and write json file. In this article, we will implement a node js write json to file. This article goes in detailed on node js read json file. you can understand a concept of node js read write json file.

In this tutorial, i will give you very simple lesson how to read and write json file in node.js project. let's see very simple lesson here:

Read Json File:





"name": "Sagor"




"name": "Paresh"




"name": "Rakesh"




"name": "Mahesh"




const fs = require('fs');

let rawdata = fs.readFileSync('users.json');

let users = JSON.parse(rawdata);




{ id: 1, name: 'Sagor' },

{ id: 2, name: 'Paresh' },

{ id: 3, name: 'Rakesh' },

{ id: 4, name: 'Mahesh' }


Write Json File:


const fs = require('fs');

users = [

{ id:1, name:'Sagor'},

{ id:2, name:'Paresh'},

{ id:3, name:'Rakesh'},

{ id:4, name:'Mahesh'},


let data = JSON.stringify(users);

fs.writeFileSync('users-2.json', data);

Result:- users-2.json


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