Convert HTML & PDF files to PNG images with CustomJS PDF Toolkit
This n8n workflow shows how to convert PDF files into PNG format with the PDF Toolkit from www.customjs.space.
@custom-js/n8n-nodes-pdf-toolkit
Notice
Community nodes can only be installed on self-hosted instances of n8n.
What this workflow does
- Generate PDF file from the requested HTML.
- Convert the PDF to PNG images.
- Use a Code node to handle URLs that point to PDF files.
- Convert the PDF to PNG format.
Requirements
- Self-hosted n8n instance.
- CustomJS API key for converting PDF to PNG.
- 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 Code.
-
Convert PDF to PNG:
- Convert the generated PNG from PDF
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.
- Convert PDF to PNG.
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.
n8n Workflow: Basic Code Node Example
This n8n workflow demonstrates the fundamental use of the Code node, triggered manually, and includes a Sticky Note for documentation. It serves as a minimal example for understanding how to execute custom JavaScript within an n8n workflow.
What it does
This workflow performs the following steps:
- Manual Trigger: The workflow is initiated manually by clicking the 'Execute workflow' button in the n8n editor.
- Code Execution: A
Codenode is executed, allowing for custom JavaScript logic to be run. - Sticky Note: A
Sticky Noteis present, likely used for adding comments or explanations directly within the workflow canvas.
Prerequisites/Requirements
- An active n8n instance.
Setup/Usage
- Import the workflow: Import the provided JSON into your n8n instance.
- Execute the workflow: Click the "Execute workflow" button in the top right corner of the n8n editor to run the workflow manually.
- Inspect the Code node: Examine the
Codenode to see the example JavaScript code. You can modify this code to perform any custom logic required for your specific use case. - Utilize the Sticky Note: The
Sticky Notecan be edited to add any relevant documentation or context for the workflow.
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