n8n AI Engineering Productivity
Contributed by Sabrina Ramonov 🍄. From the community directory at agents.sabrina.dev, republished with permission and full credit.
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.
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 and convert HTML to PDF. Request PDF from URL.
- Compress Pages from PDF: Compress PDF as a binary file.
Usage:
1. Get API key from customJS:
- Sign up to customJS platform.
- Navigate to your profile page.
- Press "Show" button to get API key.
2. Set Credentials for CustomJS API on n8n:
- Copy and paste your API key generated from CustomJS here.
3. 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 the webhook. Simply replace Manual Trigger and Write to Disk nodes.
Tools used: CustomJS, HTML
Download the workflow template (JSON)
Want this running in your business? KOBA42 builds and operates automations like this one.