
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:
-
Manual Trigger:
- Runs with user interaction.
-
HTML to PDF:
- Request HTML Data
- Convert HTML to PDF
- Request PDF from URL.
-
Compress Pages from PDF:
- Compress PDF as a binary file.
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.