PDF Tools Node for n8n

A powerful n8n node for PDF manipulation that provides a comprehensive set of tools for working with PDF files.

Features

PDF Operations

• Add Image: Add images to PDF pages with customizable positioning and scaling
• Add Watermark: Add text watermarks with customizable font size, color, and opacity
• Delete Pages: Remove specific pages from a PDF
• Extract Pages: Extract specific pages into a new PDF
• Extract Text: Extract text content from PDF files
• Merge PDFs: Combine multiple PDFs into a single document
• Read Metadata: Extract PDF metadata (title, author, subject, etc.)
• Reorder Pages: Change the order of pages in a PDF
• Rotate Pages: Rotate specific pages by 90, 180, or 270 degrees
• Split PDF: Split a PDF into multiple files

Installation

1. Install the node in your n8n instance:

npm install n8n-nodes-pdf-tools

2. Restart your n8n server

Usage

Add Image to PDF

Add an image to specific pages of a PDF with customizable positioning:

// Example workflow
{
  "operation": "addImage",
  "pdfBinaryName": "input.pdf",
  "imageBinaryName": "logo.png",
  "pageTarget": "1,3-5",
  "imageOptions": {
    "x": 50,
    "y": 400,
    "scale": 0.5
  }
}

Add Watermark

Add a text watermark to PDF pages:

// Example workflow
{
  "operation": "watermark",
  "pdfBinaryName": "input.pdf",
  "watermarkText": "CONFIDENTIAL",
  "pageTarget": "all",
  "watermarkOptions": {
    "fontSize": 72,
    "color": "#FF0000",
    "opacity": 0.5
  }
}

Merge PDFs

Combine multiple PDFs into a single document:

// Example workflow
{
  "operation": "merge",
  "pdfBinaryNames": "pdf1.pdf,pdf2.pdf,pdf3.pdf"
}

Page Management

Various operations for managing PDF pages:

// Delete pages
{
  "operation": "delete",
  "pdfBinaryName": "input.pdf",
  "pages": "1,3-5"
}

// Extract pages
{
  "operation": "extractPages",
  "pdfBinaryName": "input.pdf",
  "pages": "1-3"
}

// Reorder pages
{
  "operation": "reorder",
  "pdfBinaryName": "input.pdf",
  "newPageOrder": "3,1,2"
}

// Rotate pages
{
  "operation": "rotate",
  "pdfBinaryName": "input.pdf",
  "pages": "1-3",
  "rotationAngle": 90
}

Supported Formats

• PDF: application/pdf
• Images:
  • PNG (image/png)
  • JPEG (image/jpeg)

Page Selection Format

The node supports various page selection formats:

• Single page: "1"
• Multiple pages: "1,3,5"
• Page ranges: "1-5"
• All pages: "all"

Error Handling

The node includes comprehensive error handling for:

• Invalid file formats
• Invalid page numbers
• Missing required parameters
• File processing errors

Dependencies

• pdf-lib: For PDF manipulation
• pdf-parse: For text extraction

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Support

For support, please:

1. Check the documentation
2. Open an issue on GitHub
3. Join the n8n community