Node.js Kullanarak PDF Dosyalarını Tek Bir PDF'ye Nasıl Birleştirilir

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/quickstart-merge.js
// Install: npm install ironpdf
const IronPdf = require('ironpdf');

async function quickMerge() {
  const docs = await Promise.all([
    IronPdf.PdfDocument.fromFile('doc1.pdf'),
    IronPdf.PdfDocument.fromFile('doc2.pdf'),
    IronPdf.PdfDocument.fromFile('doc3.pdf'),
  ]);
  const merged = await IronPdf.PdfDocument.merge(docs);
  await merged.toFile('merged-output.pdf');
}

quickMerge();

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/quickstart-merge.js
// Install: npm install ironpdf
const IronPdf = require('ironpdf');

async function quickMerge() {
  const docs = await Promise.all([
    IronPdf.PdfDocument.fromFile('doc1.pdf'),
    IronPdf.PdfDocument.fromFile('doc2.pdf'),
    IronPdf.PdfDocument.fromFile('doc3.pdf'),
  ]);
  const merged = await IronPdf.PdfDocument.merge(docs);
  await merged.toFile('merged-output.pdf');
}

quickMerge();

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/merge-pdfs.js
const IronPdf = require('ironpdf');

async function mergePdfs(outputFilePath, inputFiles) {
  // Load all source documents in parallel
  const pdfDocs = await Promise.all(
    inputFiles.map(file => IronPdf.PdfDocument.fromFile(file))
  );

  // Combine into one document, preserving page order
  const mergedPdf = await IronPdf.PdfDocument.merge(pdfDocs);

  // Write the result to disk
  await mergedPdf.toFile(outputFilePath);
  console.log(`Merged PDF saved to ${outputFilePath}`);
}

(async () => {
  const inputFiles = ['report-jan.pdf', 'report-feb.pdf', 'report-mar.pdf'];
  await mergePdfs('quarterly-report.pdf', inputFiles);
})();

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/merge-pdfs.js
const IronPdf = require('ironpdf');

async function mergePdfs(outputFilePath, inputFiles) {
  // Load all source documents in parallel
  const pdfDocs = await Promise.all(
    inputFiles.map(file => IronPdf.PdfDocument.fromFile(file))
  );

  // Combine into one document, preserving page order
  const mergedPdf = await IronPdf.PdfDocument.merge(pdfDocs);

  // Write the result to disk
  await mergedPdf.toFile(outputFilePath);
  console.log(`Merged PDF saved to ${outputFilePath}`);
}

(async () => {
  const inputFiles = ['report-jan.pdf', 'report-feb.pdf', 'report-mar.pdf'];
  await mergePdfs('quarterly-report.pdf', inputFiles);
})();

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/merge-specific-pages.js
const IronPdf = require('ironpdf');

// Each entry specifies a file and the range of pages to include (zero-indexed)
const pageRanges = [
  { file: 'contract.pdf',  startPage: 0, endPage: 2 },
  { file: 'appendix.pdf',  startPage: 0, endPage: 0 },
  { file: 'signature.pdf', startPage: 0, endPage: 0 },
];

async function mergeSpecificPages(outputFile, ranges) {
  const pdfsToMerge = [];

  for (const range of ranges) {
    const pdf = await IronPdf.PdfDocument.fromFile(range.file);
    // extractPages returns a new PdfDocument with only the specified page range
    const pages = pdf.extractPages(range.startPage, range.endPage);
    pdfsToMerge.push(pages);
  }

  const merged = await IronPdf.PdfDocument.merge(pdfsToMerge);
  await merged.toFile(outputFile);
}

mergeSpecificPages('assembled-contract.pdf', pageRanges);

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/merge-specific-pages.js
const IronPdf = require('ironpdf');

// Each entry specifies a file and the range of pages to include (zero-indexed)
const pageRanges = [
  { file: 'contract.pdf',  startPage: 0, endPage: 2 },
  { file: 'appendix.pdf',  startPage: 0, endPage: 0 },
  { file: 'signature.pdf', startPage: 0, endPage: 0 },
];

async function mergeSpecificPages(outputFile, ranges) {
  const pdfsToMerge = [];

  for (const range of ranges) {
    const pdf = await IronPdf.PdfDocument.fromFile(range.file);
    // extractPages returns a new PdfDocument with only the specified page range
    const pages = pdf.extractPages(range.startPage, range.endPage);
    pdfsToMerge.push(pages);
  }

  const merged = await IronPdf.PdfDocument.merge(pdfsToMerge);
  await merged.toFile(outputFile);
}

mergeSpecificPages('assembled-contract.pdf', pageRanges);

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/merge-with-headers-footers.js
const IronPdf = require('ironpdf');

async function mergeWithHeadersFooters(inputFiles, outputFile) {
  const docs = await Promise.all(
    inputFiles.map(f => IronPdf.PdfDocument.fromFile(f))
  );
  const mergedPdf = await IronPdf.PdfDocument.merge(docs);

  // Apply a styled header to every page
  await mergedPdf.addHtmlHeader('<h3 style="color:#333;">Quarterly Report</h3>', {
    height: 25,
    drawDividerLine: true,
  });

  // Apply a page-numbering footer
  await mergedPdf.addHtmlFooter('<p style="font-size:10px;">Page {page} of {total-pages}</p>', {
    height: 20,
    drawDividerLine: true,
  });

  await mergedPdf.toFile(outputFile);
}

mergeWithHeadersFooters(['q1.pdf', 'q2.pdf', 'q3.pdf'], 'annual-report.pdf');

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/merge-with-headers-footers.js
const IronPdf = require('ironpdf');

async function mergeWithHeadersFooters(inputFiles, outputFile) {
  const docs = await Promise.all(
    inputFiles.map(f => IronPdf.PdfDocument.fromFile(f))
  );
  const mergedPdf = await IronPdf.PdfDocument.merge(docs);

  // Apply a styled header to every page
  await mergedPdf.addHtmlHeader('<h3 style="color:#333;">Quarterly Report</h3>', {
    height: 25,
    drawDividerLine: true,
  });

  // Apply a page-numbering footer
  await mergedPdf.addHtmlFooter('<p style="font-size:10px;">Page {page} of {total-pages}</p>', {
    height: 20,
    drawDividerLine: true,
  });

  await mergedPdf.toFile(outputFile);
}

mergeWithHeadersFooters(['q1.pdf', 'q2.pdf', 'q3.pdf'], 'annual-report.pdf');

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/merge-with-security.js
const IronPdf = require('ironpdf');

async function mergeWithSecurity(inputFiles, outputFile) {
  const docs = await Promise.all(
    inputFiles.map(f => IronPdf.PdfDocument.fromFile(f))
  );
  const mergedPdf = await IronPdf.PdfDocument.merge(docs);

  // Restrict the merged document to print-only access
  await mergedPdf.saveAs(outputFile, {
    userPassword: 'viewerpass',
    ownerPassword: 'adminpass',
    allowUserAnnotations: false,
    allowUserCopyPasteContent: false,
    allowUserFormData: false,
    allowUserPrinting: true,
  });
}

mergeWithSecurity(['invoice-1.pdf', 'invoice-2.pdf'], 'secured-invoices.pdf');

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/merge-with-security.js
const IronPdf = require('ironpdf');

async function mergeWithSecurity(inputFiles, outputFile) {
  const docs = await Promise.all(
    inputFiles.map(f => IronPdf.PdfDocument.fromFile(f))
  );
  const mergedPdf = await IronPdf.PdfDocument.merge(docs);

  // Restrict the merged document to print-only access
  await mergedPdf.saveAs(outputFile, {
    userPassword: 'viewerpass',
    ownerPassword: 'adminpass',
    allowUserAnnotations: false,
    allowUserCopyPasteContent: false,
    allowUserFormData: false,
    allowUserPrinting: true,
  });
}

mergeWithSecurity(['invoice-1.pdf', 'invoice-2.pdf'], 'secured-invoices.pdf');

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/merge-with-signature.js
const IronPdf = require('ironpdf');

async function mergeAndSign(inputFiles, outputFile, pfxPath, pfxPassword) {
  const docs = await Promise.all(
    inputFiles.map(f => IronPdf.PdfDocument.fromFile(f))
  );
  const mergedPdf = await IronPdf.PdfDocument.merge(docs);

  // Attach a digital signature using a PFX certificate
  await mergedPdf.applySignature(pfxPath, pfxPassword);
  await mergedPdf.toFile(outputFile);
}

mergeAndSign(
  ['section-a.pdf', 'section-b.pdf'],
  'signed-report.pdf',
  'certificate.pfx',
  'certpass'
);

//:path=/static-assets/pdf/content-code-examples/how-to/nodejs-merge-pdf/merge-with-signature.js
const IronPdf = require('ironpdf');

async function mergeAndSign(inputFiles, outputFile, pfxPath, pfxPassword) {
  const docs = await Promise.all(
    inputFiles.map(f => IronPdf.PdfDocument.fromFile(f))
  );
  const mergedPdf = await IronPdf.PdfDocument.merge(docs);

  // Attach a digital signature using a PFX certificate
  await mergedPdf.applySignature(pfxPath, pfxPassword);
  await mergedPdf.toFile(outputFile);
}

mergeAndSign(
  ['section-a.pdf', 'section-b.pdf'],
  'signed-report.pdf',
  'certificate.pfx',
  'certpass'
);