AI Relighting Tools: Enhance Photos with ComfyUI & IC-Light

Updated on Jun 17,2025

Unlock the power of AI to revolutionize your photo editing workflow. With tools like ComfyUI and IC-Light, achieving professional-level relighting and retouching is now accessible to everyone. This article explores how to use AI to transform your photos, enhance lighting, and achieve stunning results without the need for expensive software or cloud uploads.

Key Points

AI relighting offers retouching capabilities, improving image quality.

ComfyUI allows local processing of images, ensuring data privacy and control.

IC-Light provides AI-driven lighting adjustments and enhancements.

Both free and paid versions of AI relighting tools exist, catering to different needs.

Newer versions of IC-Light offer stronger illumination variations but may have commercial restrictions.

Understanding AI Relighting and Retouching

What is AI Relighting?

AI relighting is a transformative technology that uses artificial intelligence to modify and enhance the lighting in digital images. Unlike traditional photo editing methods that require manual adjustments and can often result in unnatural or artificial-looking results, AI relighting analyzes the existing light sources within an image and intelligently manipulates them to create a more visually appealing and realistic effect.

This process not only involves adjusting the brightness and contrast but also includes simulating different lighting conditions, adding or removing shadows, and even changing the direction and color of the light. The result is a photograph that looks professionally lit, with enhanced details and a more dynamic range. AI relighting can breathe new life into old or poorly lit photographs, making them look as if they were taken in optimal lighting conditions.

One of the key advantages of AI relighting is its ability to perform automatic retouching. This means that in addition to adjusting the lighting, the AI can also smooth out imperfections in the skin, remove blemishes, and enhance facial features, resulting in a portrait that looks polished and professional.

This is particularly useful for portrait Photography, where achieving Flawless skin and perfect lighting are essential for creating stunning images.

AI relighting is not just for professionals. With the advent of user-friendly tools like ComfyUI and IC-Light, anyone can now harness the power of AI to enhance their photos. These tools offer a range of features that allow users to easily adjust the lighting in their images, add creative effects, and achieve professional-level results without any prior experience in photo editing. Whether you're a professional photographer looking to streamline your workflow or a casual user looking to improve your personal photos, AI relighting is a Game-changing technology that can help you achieve your goals.

The applications of AI relighting are vast and varied. It can be used to enhance product photos for e-commerce, create stunning visuals for marketing campaigns, or simply improve the quality of personal photos for sharing on social media. With its ability to automatically retouch and enhance images, AI relighting is a powerful tool that can help you create visually appealing content that stands out from the crowd.

The Benefits of AI-Powered Retouching in Photography

AI-powered retouching represents a significant leap forward in the field of photography, offering a suite of benefits that extend far beyond the capabilities of traditional retouching techniques. At its core, AI retouching leverages advanced algorithms and machine learning models to analyze and enhance images with a level of precision and efficiency previously unattainable. This leads to several key advantages for photographers and image editors.

One of the primary benefits of AI retouching is its ability to automate many of the time-consuming and tedious tasks associated with traditional retouching. For example, AI can automatically detect and remove blemishes, smooth skin texture, and whiten teeth with just a few clicks. This not only saves a significant amount of time but also reduces the risk of human error, ensuring consistent and high-quality results across all images.

Moreover, AI retouching can perform complex adjustments that would be difficult or impossible to achieve manually. For instance, AI can intelligently enhance facial features, such as the eyes, lips, and cheekbones, to create a more balanced and harmonious composition. It can also add subtle highlights and shadows to accentuate the contours of the face and create a more three-dimensional effect. These types of adjustments require a high level of skill and experience when done manually, but AI can perform them automatically and with consistent precision.

Another significant advantage of AI retouching is its ability to preserve the naturalness of the image. Unlike traditional retouching techniques that can often result in an artificial or overly processed look, AI retouching is designed to enhance the image while maintaining its original character and integrity. This is achieved through the use of sophisticated algorithms that analyze the image's underlying structure and make adjustments that are both subtle and effective.

The applications of AI retouching are vast and varied. It can be used to enhance portraits, fashion editorials, and commercial advertisements. It can also be used to restore old or damaged photographs, bringing them back to their former glory. With its ability to automate tedious tasks, perform complex adjustments, and preserve the naturalness of the image, AI retouching is a powerful tool that can help photographers and image editors achieve their creative vision.

Exploring ComfyUI for Local AI Processing

Why Choose ComfyUI for Your AI Relighting Projects?

ComfyUI emerges as a compelling choice for AI relighting projects, primarily due to its ability to run locally on a wide range of gaming laptops and home computers.

This eliminates the need to upload sensitive image data to cloud servers, ensuring greater privacy and control over your creative assets. ComfyUI also distinguishes itself through its node-based interface, which provides a visual and intuitive way to construct complex image processing workflows.

The node-based approach of ComfyUI allows users to connect different image processing operations in a modular and flexible manner. Each node represents a specific operation, such as loading an image, applying a filter, or adjusting the lighting. By connecting these nodes together, users can create custom workflows that are tailored to their specific needs. This level of customization is not possible with many other AI image processing tools, which often offer a more limited set of pre-defined operations.

Another advantage of ComfyUI is its open-source nature. This means that the software is freely available to use and modify, and there is a large and active community of users who are constantly developing new nodes and workflows. This open-source ecosystem ensures that ComfyUI remains at the cutting edge of AI image processing technology, and that users always have access to the latest tools and techniques. Moreover, the open-source nature of ComfyUI fosters collaboration and knowledge sharing within the community, allowing users to learn from each other and contribute to the development of the software.

ComfyUI is also highly efficient and scalable. The software is designed to take full advantage of the processing power of modern GPUs, allowing users to process large images and complex workflows in a Timely manner. Additionally, ComfyUI can be scaled up to run on multiple GPUs, further increasing its processing capacity. This makes it an ideal choice for professional photographers and image editors who need to process large volumes of images quickly and efficiently.

With its local processing capabilities, node-based interface, open-source nature, and high efficiency, ComfyUI offers a unique and powerful platform for AI relighting projects. Whether you're a professional photographer looking to streamline your workflow or a casual user looking to improve your personal photos, ComfyUI provides the tools and flexibility you need to achieve your creative vision.

Step-by-Step Guide: AI Relighting with ComfyUI and IC-Light

Setting Up ComfyUI for AI Relighting

To begin your AI relighting journey, you'll first need to set up ComfyUI on your local machine. Here's a step-by-step guide to get you started:

  1. Download and Install ComfyUI: Visit the official ComfyUI website and download the appropriate version for your operating system (Windows, macOS, or Linux). Follow the installation instructions provided on the website to install ComfyUI on your computer.
  2. Install Necessary Dependencies: ComfyUI relies on several Python packages to function correctly. Open a terminal or command Prompt and use pip to install these dependencies. The specific dependencies required may vary depending on the version of ComfyUI and the specific nodes you plan to use. Consult the ComfyUI documentation for a complete list of dependencies.
  3. Download and Install IC-Light Nodes: IC-Light provides custom nodes for ComfyUI that enable AI relighting capabilities. Download the IC-Light nodes from the official IC-Light website or a trusted repository. Follow the instructions provided to install the nodes in your ComfyUI installation. This typically involves copying the node files to the appropriate directory within the ComfyUI installation.
  4. Configure ComfyUI Settings: Launch ComfyUI and configure the settings according to your preferences. This may include specifying the location of your image files, setting the default processing parameters, and configuring the GPU settings to optimize performance. Consult the ComfyUI documentation for detailed information on configuring the settings.
  5. Load the AI Relighting Workflow: Once you've installed the IC-Light nodes and configured ComfyUI, you can load the AI relighting workflow. This workflow will contain the nodes and connections necessary to perform AI relighting on your images. You can either create your own workflow from scratch or download a pre-made workflow from the ComfyUI community.
  6. Test the Setup: To ensure that everything is working correctly, load a sample image into ComfyUI and run the AI relighting workflow. If everything is set up properly, you should see the relighted image in the output window. If you encounter any errors, consult the ComfyUI documentation or the IC-Light website for troubleshooting tips.

Performing AI Relighting with IC-Light in ComfyUI

Now that you have ComfyUI and IC-Light set up, you can start performing AI relighting on your images. Here's a step-by-step guide to using IC-Light in ComfyUI:

  1. Load Your Image: In ComfyUI, use the “Load Image” node to load the image you want to relight. Connect the output of the “Load Image” node to the input of the “IC-Light” node.
  2. Configure IC-Light Settings: The “IC-Light” node offers a range of settings that you can adjust to control the relighting process. These settings include the lighting direction, intensity, and color. Experiment with different settings to achieve the desired effect.
  3. Run the Workflow: Once you've configured the IC-Light settings, run the workflow by clicking the “Run” button in ComfyUI. The “IC-Light” node will process the image and apply the relighting effect.
  4. View the Result: The relighted image will be displayed in the output window of the “IC-Light” node. You can compare the relighted image to the original image to see the difference.
  5. Adjust Settings and Rerun: If you're not satisfied with the result, adjust the IC-Light settings and Rerun the workflow. Repeat this process until you achieve the desired relighting effect.
  6. Save the Relighted Image: Once you're happy with the relighted image, save it to your computer using the “Save Image” node in ComfyUI. You can specify the filename, format, and quality of the saved image.

Understanding Pricing and Licensing for AI Relighting Tools

Cost Considerations for ComfyUI and IC-Light

When considering the cost of using AI relighting tools like ComfyUI and IC-Light, it's important to understand the different pricing models and licensing options available. ComfyUI itself is an open-source platform and is available for free. However, IC-Light offers both free and paid versions, with the paid versions typically offering more advanced features and capabilities.

The free version of IC-Light is often limited to non-commercial use and may not be suitable for professional photographers or businesses. The paid versions of IC-Light typically come with a commercial license, allowing users to use the software for both personal and commercial purposes. The pricing of the paid versions can vary depending on the specific features and capabilities offered, as well as the licensing terms.

In addition to the cost of the software itself, it's also important to consider the cost of hardware. AI relighting can be computationally intensive, and it may require a powerful computer with a dedicated GPU to achieve optimal performance. If you don't already have a suitable computer, you may need to invest in new hardware, which can add to the overall cost of using AI relighting tools.

It's also worth noting that some AI relighting services are offered on a subscription basis. With a subscription model, you pay a recurring fee to access the software and its features. This can be a more affordable option than purchasing a perpetual license, especially if you only need to use the software for a limited time. However, it's important to carefully consider the terms of the subscription agreement, as you may lose access to the software if you cancel your subscription.

Pros and Cons of Using ComfyUI for AI Relighting

👍 Pros

Local processing ensures data privacy and security.

Node-based interface allows for highly customizable workflows.

Open-source nature fosters community support and development.

Free to use, reducing costs for users.

👎 Cons

Requires some technical knowledge to set up and use effectively.

Performance depends on the power of your local GPU.

IC-Light V2 availability is restricted, limiting functionality.

Not as user-friendly as some commercial AI photo editors.

Core Features of IC-Light for Advanced Image Enhancement

Key Capabilities of IC-Light in AI-Driven Relighting

IC-Light boasts a suite of core features designed to provide advanced image enhancement capabilities. These features leverage AI to offer users precise control over lighting, detail preservation, and artistic integrity. IC-Light V2 handles various image Dimensions from 256x256 up to 1024x1024 pixels, ensuring flexibility for different use cases while maintaining optimal performance.

  • Intelligent Lighting Control: IC-Light revolutionizes lighting manipulation with support for multiple lighting directions. The AI system ensures natural-looking results while preserving image integrity.

  • Text-Conditioned Relighting: Precise control over lighting by inputting different text prompts for different lighting conditions.

  • Background-Conditioned Lighting Adaptation: Adjust the lighting based on the image background.

  • Advanced HDR Lighting Representation: Replicates HDR lighting technology.

  • Sophisticated Light Latent Technology: Ensures exceptional detail preservation.

  • Exceptional Detail Preservation: IC-Light's advanced VAE technology ensures images retain the finest details during processing, setting new standards in image quality.

  • Artistic Integrity: Experience natural enhancements that preserve the original artistic vision of your images.

  • Professional Resolution Support: Process high-resolution images with confidence, ensuring excellent image quality.

Diverse Use Cases: Applying AI Relighting Across Industries

Transforming Photography with AI: Various Applications

AI relighting tools, such as IC-Light, can be applied across various industries to enhance image quality and create visually stunning content. IC-Light V2 can be used in the following industries:

  • Professional Photography: Transform ordinary shots into stunning professional images with advanced lighting enhancement technology.
  • E-commerce: Optimize product presentations with consistent lighting across the entire catalog, ensuring products look their best with professional-grade lighting enhancement.
  • Content Creation: Ensures engaging social media content with perfectly lit images. It helps content creators maintain consistent visual quality across platforms.

Frequently Asked Questions

Is ComfyUI really free to use?
Yes, ComfyUI is an open-source platform, meaning it's free to download and use. However, some custom nodes or workflows developed by third parties might have their own licensing terms. Also, consider that running ComfyUI might require a decent GPU, which could be an upfront investment if you don't have one already.
Can I use IC-Light for commercial projects?
This depends on the version of IC-Light. While IC-Light V1 is available for commercial use, IC-Light V2, at this time, is only for non-commercial purposes. Always check the licensing terms on the IC-Light website before using it in commercial projects.
Do I need a powerful computer to run ComfyUI with IC-Light?
Yes, you will need a computer with a dedicated GPU to run ComfyUI with IC-Light. The processing power of the GPU will determine the speed and quality of the relighting process. A gaming laptop or desktop with a mid-range to high-end GPU is recommended for optimal performance.
Where can I find project files for AI Relighting with ComfyUI?
Project files are available on websites such as Gumroad. You can find workflows, custom nodes, and other resources to help you get started with AI relighting. Make sure to check the descriptions and reviews before downloading any files.

Related Questions

What are the alternatives to IC-Light for AI Relighting?
While IC-Light is a powerful tool for AI relighting, there are several alternatives available that you might want to consider. These alternatives offer different features, pricing models, and levels of control over the relighting process. Here are some of the most popular alternatives to IC-Light: Luminar AI: Luminar AI is a popular AI-powered photo editor that offers a range of features, including AI relighting. Luminar AI is known for its user-friendly interface and its ability to produce stunning results with minimal effort. It's a great option for beginners who want to get started with AI relighting without having to learn a complex workflow. Remini: Remini is a mobile app that uses AI to enhance and restore old or blurry photos. While it's not specifically designed for relighting, Remini can often improve the lighting in your photos as part of its overall enhancement process. It's a great option for quickly improving the quality of photos on your smartphone or tablet. Stable Diffusion: Stable Diffusion is a powerful AI image generation model that can also be used for relighting. With Stable Diffusion, you can generate new images with different lighting conditions based on a text prompt or an existing image. It's a more advanced option that requires some technical knowledge, but it offers a high level of control over the relighting process. Topaz Photo AI: Topaz Photo AI is another AI-powered photo editor that offers a range of features, including AI relighting. Topaz Photo AI is known for its ability to improve the sharpness, detail, and color of your photos while preserving their naturalness. It's a great option for photographers who want to enhance their photos without making them look artificial. Neural Filters in Photoshop: Adobe Photoshop's Neural Filters provide AI-powered tools for various tasks, including skin smoothing, style transfer, and colorization. While not specifically for relighting, some filters can indirectly affect lighting and shadows. When choosing an alternative to IC-Light, consider your specific needs and requirements. Do you need a user-friendly tool for beginners, or a more advanced tool for professionals? Do you need a tool that runs locally on your computer, or a cloud-based service? Do you need a tool that offers a wide range of features, or a tool that specializes in relighting? By considering these factors, you can choose the alternative that's right for you.