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How to Convert PowerPoint to JPG Online in Node.js
// How to convert PowerPoint file to JPG image format using Node.js
const convert = async () => {
const convertApi = groupdocs_conversion_cloud.ConvertApi.fromKeys(clientId, clientSecret);
const settings = new groupdocs_conversion_cloud.ConvertSettings();
settings.storageName = myStorage;
settings.filePath = "nodejs-testing/sample-file.pptx";
settings.format = "jpg";
settings.outputPath = "nodejs-testing/sample-file.jpg";
try {
// Create convert document request
const request = new groupdocs_conversion_cloud.ConvertDocumentRequest(settings);
await convertApi.convertDocument(request);
}
catch (err) {
throw err;
}
}
convert()
.then(() => {
console.log("Successfully converted PowerPoint to JPG file format.");
})
.catch((err) => {
console.log("Error occurred while converting the PowerPoint file:", err);
})
// How to convert PowerPoint PPT to JPG in Node.js using Advanced Options
const convert_options = async () => {
const convertApi = groupdocs_conversion_cloud.ConvertApi.fromKeys(clientId, clientSecret);
const settings = new groupdocs_conversion_cloud.ConvertSettings();
settings.storageName = myStorage;
settings.filePath = "nodejs-testing/sample-file.pptx";
settings.format = "jpg";
convertOptions = new groupdocs_conversion_cloud.JpgConvertOptions()
convertOptions.grayscale = true;
convertOptions.fromPage = 1;
convertOptions.pagesCount = 1;
convertOptions.quality = 100;
convertOptions.rotateAngle = 90;
convertOptions.usePdf = false;
settings.convertOptions = convertOptions;
settings.outputPath = "nodejs-testing/sample-file.jpg";
try {
// Create convert document request
const request = new groupdocs_conversion_cloud.ConvertDocumentRequest(settings);
await convertApi.convertDocument(request);
}
catch (err) {
throw err;
}
}
convert_options()
.then(() => {
console.log("Converted PPT to JPG image with advanced options.");
})
.catch((err) => {
console.log("Error occurred while converting the PPTX file:", err);
})
// open file in IOStream from your system drive.
var resourcesFolder = 'H:\\groupdocs-cloud-data\\sample-file.pptx';
// read file
fs.readFile(resourcesFolder, (err, fileStream) => {
// construct FileApi
var fileApi = groupdocs_conversion_cloud.FileApi.fromConfig(config);
// create upload file request
var request = new groupdocs_conversion_cloud.UploadFileRequest("sample-file.pptx", fileStream, myStorage);
// upload file
fileApi.uploadFile(request)
.then(function (response) {
console.log("Expected response type is FilesUploadResult: " + response.uploaded.length);
})
.catch(function (error) {
console.log("Error: " + error.message);
});
});

You can convert PowerPoint file to JPG image format programmatically on the cloud. In this article, you will learn how to convert PowerPoint to JPG file in Node.js using REST API.

The following topics are covered in this article:

  1. PowerPoint to Image Converter REST API and Node.js SDK
  2. How to Convert PowerPoint to JPG format using REST API in Node.js
  3. Convert PowerPoint PPT to JPG in Node.js using Advanced Options
// construct FileApi to download converted file
var fileApi = groupdocs_conversion_cloud.FileApi.fromConfig(config);
// create donwload file request
let request = new groupdocs_conversion_cloud.DownloadFileRequest("nodejs-testing/sample-file.jpg", myStorage);
// download file and response type Stream
fileApi.downloadFile(request)
.then(function (response) {
// save file in your system directory
fs.writeFile("H:\\groupdocs-cloud-data\\sample-file.jpg", response, "binary", function (err) { });
console.log("Expected response type is Stream: " + response.length);
})
.catch(function (error) {
console.log("Error: " + error.message);
});
# Import Node.js SDK in your node application from http://api.groupdocs.cloud
global.groupdocs_conversion_cloud = require("groupdocs-conversion-cloud");
global.fs = require("fs");
// get clientId and clientSecret from https://dashboard.groupdocs.cloud (free registration is required).
global.clientId = "xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx";
global.clientSecret = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
global.myStorage = "test-internal-storage";
const config = new groupdocs_conversion_cloud.Configuration(clientId, clientSecret);
config.apiBaseUrl = "https://api.groupdocs.cloud";
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