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Crop PDF in Node.js Cloud API

API for working with cropping PDF documents using Cloud Node.js SDK

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Aspose.PDF Cloud Node.js SDK Aspose.PDF Cloud Node.js SDK

Overview

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How to Crop PDF via Node.js SDK

To crop PDF, we’ll use Aspose.PDF Cloud Node.js SDK. This Cloud SDK assists Node.js programmers in developing cloud-based PDF creator, annotator, editor, and converter apps using Node.js programming language via Aspose.PDF REST API. Once you have the App SID & key, you are ready to give the Aspose.PDF Cloud Node.js SDK.

Package Manager Console Command


     
    npm install asposepdfcloud --save
     
     

Steps to crop PDF via Cloud Node.js

Aspose.PDF Cloud developers can easily load & crop PDF in just a few lines of code.

  1. Initialize the Aspose PDF API
  2. Upload original document
  3. Get page size info
  4. Extract page as image (full original page)
  5. Create a new PDF with the specified cropped size
  6. Insert cropped image portion into new PDF
  7. Download resulting file if success
 

Crop PDF using Node.js


    import { PdfChangeLayoutHelper, pdfApi } from "./changeLayoutHelper.js";
    export { PdfCropPage };

    const PdfCropPage = {
        async cropPage(document, pageNumber, llx, lly, width, height, outputDocument, localFolder, tempFolder) {
            if ( pdfApi ) {
                await PdfChangeLayoutHelper.uploadDocument(document, localFolder, tempFolder);  

                var pageSie = await PdfChangeLayoutHelper.getPageInfo(document, pageNumber, tempFolder);

                const imageFile = await PdfChangeLayoutHelper.extractPdfPage(document, pageNumber, pageSie.width, pageSie.height, localFolder, tempFolder);
                const newPdf = await PdfChangeLayoutHelper.createPdfDocument(outputDocument, width, height, tempFolder);
                if (newPdf.body.code != 200) {
                    console.error("cropPage(): Failed to create new PDF document!");
                    return;
                }

                const response = await PdfChangeLayoutHelper.insertPageAsImage(outputDocument, imageFile, llx, lly, tempFolder);

                if (response.body.code == 200) {
                    console.log("cropPage(): Page successfully cropped.");
                    await PdfChangeLayoutHelper.downloadResult(outputDocument, localFolder, tempFolder, "cropped_")
                }
                else
                    console.error("cropPage(): Can't crop pdf document page!")
            }
        }
    }
 

With our Node.js library you can

Crop PDF documents with Aspose.PDF Cloud Node.js SDK.

  • Add PDF document’s header & footer in text or image format.
  • Add tables & stamps (text or image) to PDF documents.
  • Append multiple PDF documents to an existing file.
  • Work with PDF attachments, annotations, & form fields.
  • Apply encryption or decryption to PDF documents & set a password.
  • Delete all stamps & tables from a page or entire PDF document.
  • Delete a specific stamp or table from the PDF document by its ID.
  • Replace single or multiple instances of text on a PDF page or from the entire document.
  • Extensive support for converting PDF documents to various other file formats.
  • Extract various elements of PDF files & make PDF documents optimized.
  • You can try out our free App to test the functionality.