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ComfyUI Extension: ComfyUI_LoadImageFromHttpURL

Authored by jerrywap

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A ComfyUI node that fetches an image from an HTTP URL and returns it as an image tensor. Useful for API-based workflows.

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    README

    ComfyUI_LoadImageFromHttpURL

    🧩 Load Image from HTTP URL – Custom Node for ComfyUI

    By @jerrywap GitHub stars

    ComfyUI Node

    🔍 Description

    Load Image from HTTP URL is a lightweight but powerful custom node for ComfyUI that allows you to fetch images directly from a remote URL and use them in your workflows without manual uploads or preprocessing.

    Instead of uploading an image file manually, you can pass a publicly accessible image URL — and the node will handle downloading, decoding, and converting it into an image tensor compatible with ComfyUI.

    This is especially useful when you're:

    • ⚙️ Building ComfyUI as an API service
    • 📡 Receiving image URLs from client apps, webhooks, or JSON payloads
    • 🌐 Working with dynamic content from external APIs or cloud storage

    By skipping the file transfer step, you reduce friction, improve performance, and make your workflows more automation-friendly.

    ✨ Features

    • 📡 Downloads an image from an HTTP/HTTPS URL
    • 📷 Converts it to a proper image tensor (IMAGE) for ComfyUI
    • 🧼 Includes graceful fallback (returns a blank black image on error)
    • ✅ Supports JPEG, PNG, WebP, etc. (any format supported by Pillow)

    🧩 Node Info

    • Name: Load Image from HTTP URL
    • Class: LoadImageFromHttpURL
    • Category: jerrywap/loaders
    • Input:
      • image_url (STRING): Image address (e.g. https://placehold.co/400)
    • Output:
      • IMAGE: ComfyUI image tensor

    🔧 Installation

    1. Clone this repo into your ComfyUI/custom_nodes directory:
    cd /workspace/ComfyUI/custom_nodes
git clone https://github.com/yourusername/ComfyUI_LoadImageFromHttpURL.git
cd ComfyUI_LoadImageFromHttpURL
    1. Install dependencies:

    This node requires the following Python packages:

    • requests
    • Pillow
    • numpy
    • torch

    If you're not sure whether you have them installed, you can simply run:

    bash install.sh

    Or, alternatively:

    pip install -r requirements.txt

    ✅ Note: If you already have these packages installed (e.g., through your ComfyUI or Python environment), you do not need to run the installation steps.

    1. Restart ComfyUI or click the Reload Custom Nodes button in the UI (if available).

    📤 Example Usage

    Use this node to pull images from:

    • Web apps or APIs
    • Unsplash/image hosting services
    • Placeholder tools

    Example input:

    https://placehold.co/400

    🧑‍💻 Contributing

    Contributions welcome! Submit a PR or open an issue if you’d like to improve this.

    📄 License

    MIT License — free to use, modify, and distribute.

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