How to convert PDF to JPEG from file (node for PDF to image API in JavaScript with PDF.co Web API

How to convert PDF to JPEG from file (node in JavaScript with easy ByteScout code samples to make PDF to image API. Step-by-step tutorial

The coding tutorials are designed to help you test the features without need to write your own code. PDF.co Web API was made to help with PDF to image API in JavaScript. PDF.co Web API is the Web API with a set of tools for documents manipulation, data conversion, data extraction, splitting and merging of documents. Includes image recognition, built-in OCR, barcode generation and barcode decoders to decode bar codes from scans, pictures and pdf.

The SDK samples like this one below explain how to quickly make your application do PDF to image API in JavaScript with the help of PDF.co Web API. Open your JavaScript project and simply copy & paste the code and then run your app! Further enhancement of the code will make it more vigorous.

PDF.co Web API – free trial version is on available our website. Also, there are other code samples to help you with your JavaScript application included into trial version.

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ConvertPdfToJpegFromFile.js
      
/*jshint esversion: 6 */ var https = require("https"); var fs = require("fs"); // `request` module is required for file upload. // Use "npm install request" command to install. var request = require("request"); // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const API_KEY = "***********************************"; // Source PDF file const SourceFile = "./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 URL for `PDF To JPEG` API call var query = `https://api.pdf.co/v1/pdf/convert/to/jpg`; let reqOptions = { uri: query, headers: { "x-api-key": API_KEY }, formData: { password: Password, pages: Pages, file: fs.createReadStream(SourceFile) } }; // Send request request.post(reqOptions, function (error, response, body) { if (error) { return console.error("Error: ", error); } // Parse JSON response let data = JSON.parse(body); if (data.error == false) { // Download generated JPEG 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("Error: " + data.message); } });

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