Convert HTML & PDF files to PNG images with CustomJS PDF Toolkit

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

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](https://www.npmjs.com/...

Best for

Document Extraction automation workflows
intermediate n8n builders looking for reusable templates

Tools used

@custom-js/n8n-nodes-pdf-toolkit.html2pdf, n8n-nodes-base.manualtrigger, @custom-js/n8n-nodes-pdf-toolkit.pdftopng, n8n-nodes-base.stickynote, n8n-nodes-base.code

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by CustomJS.

Original n8n.io source

1.1 Workflow description

Title: Convert HTML & PDF files to PNG images with CustomJS PDF Toolkit
Workflow name: 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.

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - HTML to PDF

Type / Role: @custom-js/n8n-nodes-pdf-toolkit.html2Pdf - html2Pdf
Config choices: Version 1

Block 2 - When clicking ‘Test workflow’

Type / Role: n8n-nodes-base.manualTrigger - manualTrigger
Config choices: Version 1

Block 3 - Convert PDF into PNG1

Type / Role: @custom-js/n8n-nodes-pdf-toolkit.PdfToPng - PdfToPng
Config choices: Version 1

Block 4 - Convert PDF into PNG

Type / Role: @custom-js/n8n-nodes-pdf-toolkit.PdfToPng - PdfToPng
Config choices: Version 1

Block 5 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 6 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 7 - Sticky Note2

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 8 - Sticky Note3

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 9 - Set PDF URL

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

3. Summary Table

Workflow	Convert HTML & PDF files to PNG images with CustomJS PDF Toolkit
Complexity	intermediate
Nodes	9
Categories	Document Extraction
Author	CustomJS
Published	05 May 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/3870/3870.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Document Extraction workflows

Frequently asked questions

What does Convert HTML & PDF files to PNG images with CustomJS PDF Toolkit do?

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](https://www.npmjs.com/...

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Document Extraction use case.

CustomJS

22 workflows

Nodes

@custom-js/n8n-nodes-pdf-toolkit.html2pdf n8n-nodes-base.manualtrigger @custom-js/n8n-nodes-pdf-toolkit.pdftopng n8n-nodes-base.stickynote n8n-nodes-base.code

Complexity

intermediate

Published 05 May 2025

Likes 0

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Install path: /data/workflows/3870/3870.json

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Convert HTML & PDF files to PNG images with CustomJS PDF Toolkit

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

Notice

What this workflow does

Requirements

Workflow Steps:

Usage

Get API key from customJS

Set Credentials for CustomJS API on n8n

Design workflow

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - HTML to PDF

Block 2 - When clicking ‘Test workflow’

Block 3 - Convert PDF into PNG1

Block 4 - Convert PDF into PNG

Block 5 - Sticky Note

Block 6 - Sticky Note1

Block 7 - Sticky Note2

Block 8 - Sticky Note3

Block 9 - Set PDF URL

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions