Azure blob storage operations using Node.js

This article will provide how-to-guide to work with Azure Blob storage using Node.js

Currently Microsoft Azure Storage SDK.v2 is available as stable version. SDK.v10 is still in preview and which has more features compare to SKD.v2. Go to Storage SDK v10 for JavaScript (In preview)
In SDK.v2 you can find different operations for Blob, Queue , File,Table in callback style. See below.

Azure Storage SDK.v2 basic features

Create/Delete Containers
Create/Read/Update/Delete Blobs
Create/Delete Tables
Query/Create/Read/Update/Delete Entities
Create/Delete Shares
Create/Delete Directories
Create/Read/Update/Delete Files
Create/Delete Queues
Insert/Peek Queue Messages
Advanced Queue Operations
Service Properties
Get Service Properties
Set Service Properties

Comparison of Azure Storage SDK.v2 and SDKv.10 (In preview)

SDK Name Version Description NPM/API Reference Links
storage SDK v10 for JavaScript v10-Preview The next generation async Storage SDK (Blob only, async and promise support) NPM - Reference
Storage SDK v2 for JavaScript v2 Legacy Storage SDK in this repository (Blob/Queue/File/Table, callback style) NPM - Reference
Azure Management SDKs for JavaScript v2 Management SDKs including Storage Resource Provider APIs NPM - Reference

Please check details on API reference documents:

Microsoft official API document on
Generated API references on GitHub pages


  1. First of all, you need to install Microsoft Azure Storage SDK for Node.js and JavaScript for Browsers using following npm package.
    👉 npm install azure-storage --save
  2. Make sure you have Azure Storage account created in Azure and copy connection string Here is a quick guide to create Azure Storage Account
  3. Create a blob container
  4. Install dotenv package to save your Azure Storage Connection String other configurations
    👉 npm install dotenv --save

Some Code

Author: Ejaz Hussain
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