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Generate QR codes from URLs with QR Server API and downloadable images

Rex LuiRex Lui
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2/3/2026
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Easily generate QR codes from any URL! This workflow lets users submit a URL via a simple form and instantly receive a downloadable QR code image—perfect for quick sharing or promotions. Setup is fast and user-friendly, so you’ll be up and running in minutes!

🚀 How it works

  • The end user submits a URL through a simple online form.
  • The workflow automatically sends the submitted URL to a QR code generation API.
  • The user receives a downloadable QR code image corresponding to their URL.

⚙️ Setup instruction

  • Import Workflow: Click "Import from JSON" in your n8n environment and paste the provided workflow JSON.
  • Click "Save" and activate the workflow.
  • Double click the "On form submission" node to obtain the production URL.
  • You may now use this URL to do QR code generation.

Generate QR Codes from URLs with QR Server API and Downloadable Images

This n8n workflow simplifies the process of generating QR codes from user-submitted URLs and provides them as downloadable images. It leverages the QR Server API to create the QR codes dynamically.

What it does

This workflow automates the following steps:

  1. Triggers on Form Submission: It starts when a user submits a URL through an n8n form.
  2. Generates QR Code: It makes an HTTP request to the QR Server API, passing the submitted URL as a parameter to generate a QR code image.
  3. Displays QR Code: The generated QR code image is then displayed back to the user via the n8n form, allowing them to download it.

Prerequisites/Requirements

  • n8n Instance: You need a running n8n instance to import and execute this workflow.
  • Internet Connection: The workflow requires an internet connection to access the QR Server API.
  • QR Server API: This workflow uses the public QR Server API (http://api.qrserver.com/v1/create-qr-code/). No API key is required for basic usage.

Setup/Usage

  1. Import the Workflow: Import the provided JSON into your n8n instance.
  2. Activate the Workflow: Ensure the workflow is activated to start listening for form submissions.
  3. Access the Form:
    • The workflow includes an "n8n Form Trigger" node. Once the workflow is active, you can find the public URL for this form by clicking on the "n8n Form Trigger" node and looking for the "Form URL" in its settings.
    • Share this URL with users who need to generate QR codes.
  4. Submit a URL: Users will visit the form URL, enter a URL they want to convert into a QR code, and submit the form.
  5. Download QR Code: After submission, the form will display the generated QR code image, which can then be downloaded by the user.

Note: The "Sticky Note" node in the workflow is for documentation purposes and does not affect the workflow's execution.

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