Cloud API – PDF To Image – JavaScript – Convert PDF To PNG From URL (Node.js)

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Cloud API – PDF To Image – JavaScript – Convert PDF To PNG From URL (Node.js)

ConvertPdfToPngFromUrl.js

// (!) If you are getting "(403) Forbidden" error please ensure you have set the correct API_KEY

var https = require("https");
var path = require("path");
var fs = require("fs");


// The authentication key (API Key).
// Get your own by registering at https://secure.bytescout.com/users/sign_up
const API_KEY = "***********************************";


// Source PDF file
const SourceFileUrl = "https://s3-us-west-2.amazonaws.com/bytescout-com/files/demo-files/cloud-api/pdf-to-image/sample.pdf";
// Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
const Pages = "";
// PDF document password. Leave empty for unprotected documents.
const Password = "";


// Prepare request to `PDF To PNG` API endpoint
var queryPath = `/v1/pdf/convert/to/png?password=${Password}&pages=${Pages}&url=${SourceFileUrl}`;
var reqOptions = {
    host: "bytescout.io",
    path: encodeURI(queryPath),
    headers: {
        "x-api-key": API_KEY
    }
};
// Send request
https.get(reqOptions, (response) => {
    response.on("data", (d) => {
        // Parse JSON response
        var data = JSON.parse(d);        
        if (data.error == false) {
            // Download generated PNG files
            var page = 1;
            data.urls.forEach((url) => {
                var localFileName = `./page${page}.jpg`;
                var file = fs.createWriteStream(localFileName);
                https.get(url, (response2) => {
                    response2.pipe(file)
                    .on("close", () => {
                        console.log(`Generated JPEG file saved as "${localFileName}" file.`);
                    });
                });
                page++;
            }, this);
        }
        else {
            // Service reported error
            console.log(data.message);
        }
    });
}).on("error", (e) => {
    // Request error
    console.error(e);
});


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