Download [portable] File From S3 Javascript

Once the frontend receives the URL, you can trigger a download by navigating the browser to it or using an anchor tag. To force a download instead of opening the file (like a PDF) in a new tab, ensure your backend sets the Content-Disposition header to attachment when generating the URL. 2. Downloading in Node.js (Server-Side)

import { S3Client, GetObjectCommand } from "@aws-sdk/client-s3"; import { createWriteStream } from "fs"; const client = new S3Client({}); const { Body } = await client.send(new GetObjectCommand({ Bucket: "my-bucket", Key: "large-video.mp4" })); // Body is a ReadableStream in Node.js Body.pipe(createWriteStream("./local-video.mp4")); Use code with caution. download file from s3 javascript

You can use the standard fetch() API if your S3 bucket has a policy that allows your domain. Once the frontend receives the URL, you can