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.
- Crop PDF-pages
- Convert PDF documents to:
- Office formats: DOC, DOCX, XLS, XLSX, PPTX, DOCX with Enhanced Recognition Mode
- Web formats: SVG, SVG (ZIP), XPS, EPUB
- Image formats: JPEG, PNG, BMP, TIFF, DICOM
- Other formats: Grayscale PDF, PDF/A, TeX, TXT, Markdown
- Manipulate PDF structure and content:
- Bookmarks, hyperlinks, annotations, attachments, JavaScript
- Fonts, metadata, layers, background color, tables
- 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, DOCX(Enhanced Recognition Mode), 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, tables
- Flatten forms
- Attachments: Add, extract, or delete file attachments.
- Text Tools:
- Find, replace, or delete text (including hidden text)
- Replace multiple text fragments with alignment control
- 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 info: 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.

Prefer to work with the source code directly?

- Execute git clone https://github.com/aspose-pdf/Aspose.PDF-for-Node.js-via-CPP.git, then cd Aspose.PDF-for-Node.js-via-CPP and npm install to set up the project locally.

Setting up

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

Extract Text From Whole PDF

CommonJS:
``js
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:
`js
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:

`js
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:

`js
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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