Learn how to upload files in Express.js using Multer and integrate with Cloudinary for cloud storage. This step-by-step tutorial covers everything from setting up Multer for file uploads, implementing file filtering for specific file types, generating unique filenames, and testing APIs with the Insomnia client. Perfect for developers working on scalable Node.js applications requiring efficient file handling and upload workflows. Whether you're a beginner or an advanced developer, this video will guide you through the entire process with practical examples. #NodeJS #Express #Multer #Cloudinary #FileUpload #API #Insomnia #webdevelopment