⭐ Star Beta Nodes for ComfyUI

Welcome to Star Beta Nodes – a staging ground for experimental custom nodes for ComfyUI. Most beta nodes have now been released to the main ComfyUI_StarNodes repository. This beta repo currently contains the nodes listed below.

🚀 Available Nodes

⭐StarNodes/Image And Latent

• ⭐ Star Qwen Image Ratio (StarQwenImageRatio)

  • Dropdown-driven aspect ratio selector that outputs:
    • An empty SD3 latent sized for the selected ratio (dict with samples tensor)
    • Width and height integers
  • Supported ratios:
    • 1:1 → 1328 × 1328
    • 16:9 → 1664 × 928
    • 9:16 → 928 × 1664
    • 4:3 → 1472 × 1104
    • 3:4 → 1104 × 1472
    • 3:2 → 1584 × 1056
    • 2:3 → 1056 × 1584
    • 5:7 → 1120 × 1568
    • 7:5 → 1568 × 1120
  • Inputs:
    • batch_size (INT, default 1): latent batch dimension
    • custom_width, custom_height (INT): used when selecting "Free Ratio (custom)", both enforced to be divisible by 16

• ⭐ Star Apply Overlay (Depth) (StarApplyOverlayDepth)

  • Blends a filtered image over a source image using either a provided mask or a depth/greyscale image converted to a mask
  • Options include strength, invert mask, preview, and pixel-based Gaussian blur of the mask
  • Outputs: composited IMAGE
  • Inputs (required): source_image, filtered_image, strength
  • Inputs (optional): depth_image or mask (one required), invert_mask, show_preview, blur_mask_px

• ⭐ Star Qwen Image Edit Inputs (StarQwenImageEditInputs)

  • Prepares multiple input images for Qwen editing models by intelligently stitching them into a single canvas
  • Supports up to 4 input images arranged in various grid layouts
  • Automatically handles aspect ratio optimization and resizing
  • Outputs: stitched IMAGE, LATENT, and dimensions
  • Inputs: image1 (required), qwen_resolution, batch_size, custom_width/height, image2-4 (optional)

• ⭐ Star Qwen / WAN Ratio (StarQwenWanRatio)

  • Unified ratio selector supporting both Qwen and WAN video models
  • Automatically calculates optimal dimensions for target pixel counts
  • Can match image aspect ratio automatically
  • Supports HD (1280x720) and Full HD (1920x1080) for WAN models
  • Outputs: LATENT, width, height
  • Inputs: model (Qwen/Wan HD/Wan Full HD), ratio selections, use_nearest_image_ratio, image (optional)

⭐StarNodes/Image Generation

• ⭐ Star Nano Banana (Gemini Image Gen) (StarNanoBanana)
  • Advanced image generation using Google's Gemini 2.5 Flash model
  • Supports both generation and editing with up to 5 input images
  • 30+ ready-made prompt templates optimized for image editing tasks
  • Flexible aspect ratios (1:1, 16:9, 9:16, 4:3, 3:4) and megapixel sizes (1-15 MP)
  • Outputs: generated/edited IMAGE and final prompt string
  • Inputs: prompt, model, ratio, megapixels, prompt_template, image1-5 (optional)

⭐StarNodes/Prompts

• ⭐ Star Image Edit for Qwen/Kontext (StarImageEditQwenKontext)

  • Dynamic prompt builder for Qwen and Kontext image editing models
  • Loads customizable templates from editprompts.json
  • Supports parameter interpolation with fillable fields
  • Outputs: interpolated prompt and params_hint
  • Inputs: model, task, plus various parameter fields (subject, color, style, etc.)

• ⭐ Star Ollama Sysprompter (JC) (StarOllamaSysprompterJC)

  • Builds structured prompts for Ollama-style image generation
  • Supports multiple art styles loaded from styles.json
  • Configurable token limits and custom style options
  • Outputs: system_prompt, detail_prompt, style_name
  • Inputs: max_tokens, style, own_style, additional_system_prompt, fit_composition_to_style

⭐StarNodes/Conditioning

• ⭐ Star Qwen Edit Encoder (StarQwenEditEncoder)
  • Advanced CLIP text encoder optimized for Qwen image editing models
  • Supports reference latents and multi-image conditioning
  • Performance optimizations with caching and timing controls
  • Outputs: CONDITIONING tensor
  • Inputs: clip, prompt, vae, image, reference_latent, plus various quality/speed controls

⭐StarNodes/IO

• ⭐ Star Save Folder String (StarSaveFolderString)
  • Flexible path builder for organized file saving
  • Supports preset folders, date-based organization, and custom naming
  • Cross-platform path compatibility
  • Outputs: formatted path string
  • Inputs: preset_folder, date_folder, custom_folder/subfolder, filename, plus various formatting options

📦 Installation

Method 1: Git Clone (Recommended)

1. Navigate to your ComfyUI custom nodes directory:

   cd ComfyUI/custom_nodes
   

2. Clone this repository:

   git clone https://github.com/Starnodes2024/ComfyUI_StarBetaNodes
   

3. Restart ComfyUI to load the new nodes.

Method 2: Manual Installation

1. Download the ZIP file from the repository
2. Extract to ComfyUI/custom_nodes/ComfyUI_StarBetaNodes/
3. Restart ComfyUI

🎯 Usage Examples

Star Qwen Image Edit Inputs

• Connect up to 4 input images to intelligently stitch them for Qwen editing models
• Select resolution from Qwen-supported options or use "Use Best Ratio from Image 1"
• The node automatically handles aspect ratio optimization and creates appropriate latents

Star Nano Banana (Gemini)

• Choose from 30+ editing templates like "Style Transfer", "Color Enhancement", "Background Change"
• Select aspect ratio and megapixel size, then connect input images for editing
• Use "Use Own Prompt" for custom prompts or pick from the editing-focused templates

Star Qwen Edit Encoder

• Connect your CLIP model and enter prompts optimized for Qwen editing
• Optionally provide reference images and latents for enhanced conditioning
• Enable caching and timing controls for performance optimization

Star Save Folder String

• Set up organized folder structures with date-based organization
• Choose from preset folder names or create custom paths
• Enable timestamps and custom separators for unique filenames

🔄 Node Categories

All nodes are organized under these StarNodes categories:

• ⭐StarNodes/Image And Latent – Image processing, latent generation, and dimension utilities (4 nodes)
• ⭐StarNodes/Image Generation – AI-powered image generation and editing (1 node)
• ⭐StarNodes/Prompts – Dynamic prompt building and template management (2 nodes)
• ⭐StarNodes/Conditioning – Advanced text encoding and conditioning (1 node)
• ⭐StarNodes/IO – File and path management utilities (1 node)

🐛 Beta Testing & Feedback

As this is a beta testing repository, your feedback is crucial! Please:

• Report any bugs or issues
• Suggest new features or improvements
• Share your use cases and workflow examples

📋 Requirements

• ComfyUI (latest version recommended)
• Python 3.8+
• PyTorch (bundled with ComfyUI env)
• PIL/Pillow (for preview saving in overlay node)
• Standard ComfyUI dependencies
• External Dependencies: See requirements.txt for additional packages needed:
  • google-generativeai>=0.8.3 (for Star Nano Banana node)

🤝 Contributing

Contributions are welcome! Feel free to:

• Submit bug reports
• Propose new node ideas
• Submit pull requests for improvements

📄 License

This project is open source. Please check the repository for specific licensing information.

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⭐ Happy beta testing! Your feedback helps make these nodes better for everyone.