How to Get File Size in Node JS?

Hi,

This article will give you example of how to get file size in node js. you will learn node js get file size. We will look at example of node js get file size in mb. i would like to share with you how to check file size in node js.

We will use fs npm package for find file size using node.js. fs package provide statSync() for getting file size in mb. let's see simple example

Step 1: Create Node App

run bellow command and create node app.

mkdir my-app
cd my-app
  
npm init

Step 2: Create server.js file

Make sure, you have add file on "uploads/best-open-source.jpg" path.

server.js

const fs = require('fs');
  
const filePath = './uploads/best-open-source.jpg';
  
var fileInfo = fs.statSync(filePath);
  
var fileSize = fileInfo.size;
var fileSizeMB = fileInfo.size / (1024*1024);
  
console.log('File Size:' + fileSizeMB);
console.log('File Size in MB:' + fileSizeMB);

now you can simply run by following command:

node server.js

Output:

i hope it can help you...