JAVASCRIPT

convert base64 to image nodejs

var base64Data = req.rawBody.replace(/^data:image/png;base64,/, "");

require("fs").writeFile("out.png", base64Data, 'base64', function(err) {
  console.log(err);
});

node.js - How do I convert an image to a base64-encoded data URL

var fs = require('fs');

var imageAsBase64 = fs.readFileSync('./your-image.png', 'base64');

base64 to image nodejs

const fs = require('fs')

// base64 data to buffer
var buffer = Buffer.from('your-base64-data','base64')
// buffer to image
fs.writeFileSync('file-name.jpg',buffer)

base64 nodejs image

var fs = require('fs');

// function to encode file data to base64 encoded string
function base64_encode(file) {
    // read binary data
    var bitmap = fs.readFileSync(file);
    // convert binary data to base64 encoded string
    return new Buffer(bitmap).toString('base64');
}

nodejs read image as base64

const fs = require('fs');
const contents = fs.readFileSync('/path/to/file.jpg', {encoding: 'base64'});

nodejs read image as base64

const fs = require('fs').promises;
const contents = await fs.readFile('/path/to/file.jpg', {encoding: 'base64'});