Repair PDF using JavaScript

Aspose.PDF for JavaScript via C++ allows high-quality PDF repair.

Repair PDF Pages with JavaScript

Do you need to repair PDF? In order to repair PDF file, we’ll use Aspose.PDF for JavaScript via C++ is a easy and secure toolkit used to work with PDF directly in the web browser. To install and use Aspose.PDF for JavaScript via C++ extract files from the ZIP archive.

How to Repair PDF documents


You need Aspose.PDF for JavaScript via C++ to try the code in your environment.

  1. Read a selected file’s binary data using FileReader.
  2. Repairs the file using AsposePdfRepair method.
  3. Displays the result in an HTML element with ID 'output'.
  4. Error Handling.
  5. Provides a download link for the repaired file using DownloadFile method.

If you want to repair PDF files for your tasks, this solution can help. With this powerful Aspose.PDF for JavaScript via C++ library, you can update or change the page orientation of pages while keeping its quality. This professional tool uses JavaScript to repair PDF effectively. The following example demonstrates how to repair PDF document in JavaScript:

Repair PDF with JavaScript

This sample code shows how to Repair PDF Pages in JavaScript language

Input file:

File not added

Output format:

PDF

Output file:


    const ffilePdfRepair = function (e) {
      const file_reader = new FileReader();
      file_reader.onload = (event) => {
        /*Repair a PDF-file and save the "ResultPdfRepair.pdf"*/
        const json = AsposePdfRepair(event.target.result, e.target.files[0].name, "ResultPdfRepair.pdf");
        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/pdf");
      };
      file_reader.readAsArrayBuffer(e.target.files[0]);
    };

About Aspose.PDF for JavaScript via C++ API

Aspose.PDF for JavaScript via C++ allows developers manipulate them PDF files directly in the Web. This JavaScript Solution is built on the use of WebAssembly technology and is based on Aspose.PDF for .NET Lightweight. You can easily use aspose-pdf for JavaScript via C++ from and then follow the installation instructions. The Aspose.PDF for JavaScript supports a wide variety of functions such as:

  • Optimize PDF document.
  • Add a stamp to PDF file.
  • Merge PDF files.
  • Split PDF to two files.
  • Convert PDF to DOCX, XLSX, JPEG, PNG, TIFF, BMP, SVG, SVG(ZIP), XPS, TXT, and etc.

You can find more information about Aspose.PDF for JavaScript via C++ API on our documentation on how to use API.