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Wed Dec 08 2021 (7 months ago)

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How to download an image from URL in nodejs

In this article, we'll learn that how can we download images from a remote URL. After downloading the image, we will encode it in base64 format.

const { Buffer } = require("buffer");
const axios = require("axios");
let url = "https://res.cloudinary.com/practicaldev/image/fetch/s--nh8zSFgY--/c_fill,f_auto,fl_progressive,h_320,q_auto,w_320/https://dev-to-uploads.s3.amazonaws.com/uploads/user/profile_image/285604/94170c66-2590-4002-90e0-ec4dc94ed7b5.png";

async function downloadImage(url){
    try{
    // download the raw image file
    const raw = await axios.get(url, {
        responseType: "arraybuffer",
    })
    
    // create a base64 encoded string
    let base64 = Buffer.from(raw.data, "binary").toString("base64");
    
    // create image src
    let image = `data:${raw.headers["content-type"]};base64,${base64}`;
    
    // actual image 
    let imgFile = `<img src="${image}"/>`;
    }catch(e){
        console.log(e);
    }
}
NodeJsImgurAxiosJavaScript

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