aspose-pdf-js

Browser API to Process & Manipulate PDF Files

Add PDF processing, manipulation, and conversion features to your front-end applications.

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

PDF Processing via JavaScript

• Extract text from PDF pages or search for a particular text segment using regular expressions.
• Add or extract images to & from PDF documents.
• Concatenate or split PDF files.
• Linearization of PDF documents for web optimization.
• Convert PDF documents to Office, web, and image formats with the highest visual fidelity.
• Manipulate PDF files to manage bookmarks, hyperlinks, watermarks, attachments & annotations.
• Encrypt or decrypt PDF documents and set document privileges or modify passwords.
• Digitally sign PDF documents or remove signatures. Also, verify if the PDF is signed and the signature is valid.

Read & Write PDF & Other Formats

Fixed Layout: PDF, PDF/A, PDF/UA

Save PDF Documents As

• Microsoft Office: DOC, DOCX, XLS, XLSX, PPTX
• Images: JPEG, PNG, BMP, TIFF, EMF
• Others: EPUB, DICOM, SVG, SVG(ZIP), GRAYSCALE PDF, PDF/A, TEX, TXT

Platform Independence

Aspose.PDF for JavaScript via C++ is a WebAssembly-based library that can be used to create applications in any browser that supports this technology. The library was written in C++ and does not require additional runtime environments.

Getting Started with Aspose.PDF for JavaScript via C++

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

• Execute npm install git+https://github.com/aspose-pdf/Aspose.PDF-for-JavaScript-via-CPP in Terminal in Visual Studio Code or in another console.
• You can also add one line in dependency section of package.json manually

"dependencies": {
    "some-package": "link",
    "aspose-pdf-js": "github:aspose-pdf/Aspose.PDF-for-JavaScript-via-CPP",
    "another-package": "link"
  }

Setting up

• Rename setting.json.default into settings.json
• Add desired values into settings.json
• Put arial.ttf and times.ttf into fonts folder

You need to use encrypt_lic.html to get an encrypted license file for running in full-featured mode.

Extract Text From Whole PDF

// Add this function as handler for file-upload element
var ffileExtract = function (e) {
      const file_reader = new FileReader();
      file_reader.onload = (event) => {
        /*Extract text from a PDF-file*/
        const json = AsposePdfExtractText(event.target.result, e.target.files[0].name);
        if (json.errorCode == 0) document.getElementById('output').textContent = json.extractText;
        else document.getElementById('output').textContent = json.errorText;
      };
      file_reader.readAsArrayBuffer(e.target.files[0]);
    };

Save PDF as Office Formats

One of the most popular features of Aspose.PDF for JavaScript 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:

// Add this function as handler for file-upload element
var ffileToDocX = function (e) {
    const file_reader = new FileReader();
    file_reader.onload = (event) => {
      /*convert a PDF-file to DocX and save the "ResultPDFtoDocX.docx"*/
      const json = AsposePdfToDocX(event.target.result, e.target.files[0].name, "ResultPDFtoDocX.docx");
      if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult;
      else document.getElementById('output').textContent = json.errorText;
      /*make a link to download the result file*/
      DownloadFile(json.fileNameResult, 
      "application/vnd.openxmlformats-officedocument.wordprocessingml.document");
    }
    file_reader.readAsArrayBuffer(e.target.files[0]);
  }

Home | Product Page | Docs | Demos | API Reference | Examples | Blog | Search | Free Support | Temporary License