Convert HTML to PDF and Compress Files with CustomJS API

This n8n template demonstrates how to convert HTML into a PDF, compress the generated PDF, and return it as a binary response using the PDF Toolkit from www.customjs.space.

Notice

Community nodes can only be installed on self-hosted instances of n8n.

@custom-js/n8n-nodes-pdf-toolkit

What this workflow does

• Convert the requested HTML to PDF.
• Compress the PDF file.
• Use a Code node to handle URLs pointing to PDF files if they exceed 6MB.
• Compress the PDF pages.

Requirements

• Self-hosted n8n instance
• CustomJS API key for compressing PDF files.
• HTML Data to convert PDF files
• Code node for handling URL that indicates PDF file.

Workflow Steps:

1. Manual Trigger:

   • Runs with user interaction.

2. HTML to PDF:

   • Request HTML Data
   • Convert HTML to PDF
   • Request PDF from URL.

3. Compress Pages from PDF:

   • Compress PDF as a binary file.

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Usage

Get API key from customJS

• Sign up to customJS platform.
• Navigate to your profile page
• Press "Show" button to get API key

Set Credentials for CustomJS API on n8n

Copy and paste your API key generated from CustomJS here.

Design workflow

• A Manual Trigger for starting workflow.
• HTTP Request Nodes for downloading PDF files.
• Code node for handling URL that indicates PDF file.
• Compress PDF files.

You can replace logic for triggering and returning results. For example, you can trigger this workflow by calling a webhook and get a result as a response from webhook. Simply replace Manual Trigger and Write to Disk nodes.