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asposepdfnodejs

Aspose.PDF for Node.js via C++

25.6.0
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Node.js API to Process & Manipulate PDF Files

Add PDF processing, manipulation, and conversion features to your Node.js applications.

Aspose.PDF for Node.js via C++ allows you to work with PDF documents, pages, text, images, attachments, fonts, security, and signatures.

PDF Processing

  • Extract text from PDF pages, including search via regular expressions and hidden text detection.
  • Add or extract images to and from PDF documents; remove or replace images when needed.
  • Concatenate, split, or reorganize PDF files; delete specific or blank pages.
  • Linearize PDF documents for web optimization and optimize internal structure and resources.
  • Convert PDF documents to:
    • Office formats: DOC, DOCX, XLS, XLSX, PPTX
    • Web formats: SVG, SVG (ZIP), XPS, EPUB
    • Image formats: JPEG, PNG, BMP, TIFF, DICOM
    • Other formats: Grayscale PDF, PDF/A, TeX, TXT
  • Manipulate PDF structure and content:
    • Bookmarks, hyperlinks, annotations, attachments, JavaScript
    • Fonts, metadata, layers, background color
  • Secure PDF documents:
    • Encrypt, decrypt, set or change passwords
    • Configure access permissions
  • Digitally sign PDFs using PKCS#7, validate and remove signatures.
  • Add or remove watermarks, stamps, page numbers, headers/footers, background images.
  • Flatten PDF documents (forms, annotations, layers).
  • Create booklets or generate N-Up layouts.
  • Export form data (AcroForm) to FDF, XFDF, XML.
  • Validate and convert to/from PDF/A format.

Read & Write PDF & Other Formats

Fixed Layout Support:

  • PDF, PDF/A

Save/Export As:

  • Office: DOC, DOCX, XLS, XLSX, PPTX
  • Images: JPEG, PNG, BMP, TIFF, DICOM
  • Other: EPUB, SVG, SVG (ZIP), TeX, TXT, Grayscale PDF, PDF/A, XPS

Input Formats:

  • TXT, Images (JPEG/PNG/BMP/TIFF)

Advanced Features

  • Fonts: List, embed/unembed, and replace fonts in PDF files.
  • Metadata: Set, extract, or remove metadata.
  • Layers: Get list of layers, merge or flatten them.
  • Forms & Annotations:
    • Delete annotations, bookmarks, JavaScript
    • Flatten forms
  • Attachments: Add, extract, or delete file attachments.
  • Text Tools:
    • Find, replace, or delete text (including hidden text)
    • Get word and character counts

Additional Utilities

  • Repair corrupted or damaged PDF files.
  • Generate PDF from TXT or image files.
  • Optimize document resources and structure.
  • Product diagnostics: retrieve library info, version, and capabilities.

Platform Independence

Aspose.PDF for Node.js via C++ is a WebAssembly-based library that can be used to create applications in Node.js environment. The library was written in C++ and does not require additional runtime environments.

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

Are you ready to give Aspose.PDF for Node.js via C++ a try?

  • Execute npm install asposepdfnodejs in Terminal in Visual Studio Code or in another console.

Setting up

  • You need arial.ttf and times.ttf fonts to perform basic operations

Extract Text From Whole PDF

CommonJS:

const AsposePdf = require('asposepdfnodejs');
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);
});

ECMAScript/ES6:

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

Save PDF as Office Formats

One of the most popular features of Aspose.PDF for Node.js via C++ is to convert PDF documents to other formats without needing to understand the underlying structure of the resultant format.

Give the following snippet a try with your samples:

CommonJS:

const AsposePdf = require('asposepdfnodejs');
const pdf_file = 'Aspose.pdf';
AsposePdf().then(AsposePdfModule => {
    /*Convert a PDF-file to DocX and save the "ResultPDFtoDocX.docx"*/
    const json = AsposePdfModule.AsposePdfToDocX(pdf_file, "ResultPDFtoDocX.docx");
    console.log("AsposePdfToDocX => %O", json.errorCode == 0 ? json.fileNameResult : json.errorText);
});

ECMAScript/ES6:

import AsposePdf from 'asposepdfnodejs';
const AsposePdfModule = await AsposePdf();
const pdf_file = 'Aspose.pdf';
/*Convert a PDF-file to DocX and save the "ResultPDFtoDocX.docx"*/
const json = AsposePdfModule.AsposePdfToDocX(pdf_file, "ResultPDFtoDocX.docx");
console.log("AsposePdfToDocX => %O", json.errorCode == 0 ? json.fileNameResult : json.errorText);

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Package last updated on 26 Jun 2025

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