Node.js API for PDF File Creation & Conversion

Getting Started with Aspose.PDF for Node.js via C++

To install and use Aspose.PDF with Node.js via C++ from a -*ZIP archive, follow the following instructions

• Extract the files from the ZIP archive
• Encrypt your *.lic file using ‘encrypt_lic.html
• Edit ‘settings.json’ and setup your settings

You can also download the library directly from Aspose.PDF product page

Convert PDF Files inside Node.js

Aspose.PDF for Node.js via C++ makes it easy for software professional to quickly and easily convert their PDF documents to the most popular formats in the Node.js environment. It allows seamless conversion of PDF files to various popular file formats including DOCX, XLSX, EPUB, HTML, images (JPEG, PNG, TIFF), and many more. This feature enables software developers to adapt PDF content to different platforms and use cases effortlessly. The following example shows, how software developers can convert existing PDF documents to XLSX file formats inside Node.js applications.

const AsposePdf = require('.//AsposePDFforNode.cjs');
  const pdf_file = 'Aspose.pdf';
  AsposePdf().then(AsposePdfModule => {
      /*Convert a PDF-file to XlsX and save the "ResultPDFtoXlsX.xlsx"*/
      const json = AsposePdfModule.AsposePdfToXlsX(pdf_file, "ResultPDFtoXlsX.xlsx");
      console.log("AsposePdfToXlsX => %O", json.errorCode == 0 ? json.fileNameResult : json.errorText);
  });

Extract Text from PDF in Node.js

Extracting text as well as images from the PDF document is a very demanding and useful task. Aspose.PDF for Node.js via C++ have provided numerous useful functions enabling software developers to extract text from PDF documents with precision, making it easy to process and analyze content programmatically. This feature is essential for tasks like text search, content analysis, and data extraction. The following code example demonstrates how users can extract text from their PDF documents inside Node.js applications.

const AsposePdf = require('.//AsposePDFforNode.cjs');
  const pdf_file = 'Aspose.pdf';
  AsposePdf().then(AsposePdfModule => {
      /*Extract text from a PDF-file*/
      const json = AsposePdfModule.AsposePdfExtractText(pdf_file);
      console.log("AsposePdfExtractText => %O", json.errorCode == 0 ? json.extractText : json.errorText);
  });

Protect PDF Documents inside Node.js Apps

Aspose.PDF for Node.js via C++ provides features for securing PDF documents with just a couple of lines of code inside Node.js environment. There are several important features part of the library such as securely digitally sign PDF, setting passwords, restricting permissions, and encrypting or decrypting contents of a PDF documents. Below is an example demonstrating how software developers can encrypt a PDF document with a password inside Node.js applications.

   const AsposePdf = require('asposepdfnodejs');
  const pdf_file = 'Aspose.pdf';
  AsposePdf().then(AsposePdfModule => {
      /*Encrypt a PDF-file with passwords "user" and "owner", and save the "ResultEncrypt.pdf"*/
      const json = AsposePdfModule.AsposePdfEncrypt(pdf_file, "user", "owner", AsposePdfModule.Permissions.PrintDocument, AsposePdfModule.CryptoAlgorithm.RC4x40, "ResultEncrypt.pdf");
      console.log("AsposePdfEncrypt => %O", json.errorCode == 0 ? json.fileNameResult : json.errorText);
  });

Optimize PDF Documents inside Node.js

Aspose.PDF for Node.js via C++ makes it easy for software developers to optimize PDF documents content for the Web. It Optimize PDF documents for reduced file size, improved performance, and compatibility inside Node.js applications. The library can also modify existing PDF documents by adding annotations, images, watermarks, and more. Here's an example demonstrating how to software developers can optimize PDF documents inside Node.js applications.

 const AsposePdf = require('.//AsposePDFforNode.cjs');
  const pdf_file = 'Aspose.pdf';
  AsposePdf().then(AsposePdfModule => {
      /*Optimize a PDF-file and save the "ResultOptimize.pdf"*/
      const json = AsposePdfModule.AsposePdfOptimize(pdf_file, "ResultOptimize.pdf");
      console.log("AsposePdfOptimize => %O", json.errorCode == 0 ? json.fileNameResult : json.errorText);
  });

Dynamic PDF Creation inside Node.js

Aspose.PDF for Node.js via C++ makes it easy for software developers to generate new PDF documents from scratch or dynamically create PDFs based on data inside Node.js applications. The library also supports adding pages, text, images, and other elements programmatically inside PDF documents.