ComfyUI-3R3BOS-Pack

📦 WHAT IS IT?

The ComfyUI 3R3BOS Pack is the essential toolkit designed to bring professional control and visualization to your workflows.

Created to simplify complex interactions, this suite focuses on two main goals: "Human-in-the-Loop" efficiency and zero-latency visualization. It currently includes two core tools that will change how you interact with ComfyUI.

🛑 TOOL 1: BATCH SELECTOR (CONTROL)

Filter your generations like a Pro! The Batch Selector replaces the need for complex preview-and-cancel workflows.

DEMO

• Visual Selection: Pauses execution and lets you pick the best images from a batch.

• Native UI: Draws directly on the node canvas (no ugly popups) with a smart responsive grid.

• Resource Saving: Only passes the selected images to expensive Upscalers or Refiners.

• Instant Cancel: A dedicated button to stop the workflow immediately if the batch is bad.

Perfect for maximizing your hit-rate and saving GPU time.

⚡ TOOL 2: IMAGE COMPARER SLIDER (VISUALIZATION)

The ultimate A/B testing tool for your images. Compare Checkpoints, LoRAs, or "Before/After" Upscaling results with zero latency.

DEMO

• Dynamic Inputs: Connect up to 20 images; the node creates slots automatically.

• Zero-Lag Scrubbing: 60fps performance using client-side caching.

• Auto-Compaction: Smart inputs reorganize themselves to keep your graph clean.

🎯 TOOL 3: ASPECT RATIO MASTER (ULTIMATE)

The definitive resolution calculator. Stop guessing resolutions for modern models like Flux, Wan, or LTX.

DEMO

• Smart Database (2026): Native support for Hunyuan 2.1 (2K), Wan 2.2, Flux.2, LTX Video, Etc.

• Magic Numbers: Automatically calculates exact pixel dimensions for VAE requirements (Mod16, Mod32, Mod64).

• Visual Grid: Beautiful real-time preview of your aspect ratio and resolution directly on the node.

• Labs Mode 🧪: Unlocks community "Sweet Spot" resolutions for maximum quality (e.g., 1.5MP for Flux).

📥 INSTALLATION

Option A: ComfyUI Manager (Recommended)

1. Open ComfyUI Manager.

2. Search for 3R3BOS Pack.

3. Click Install and Restart ComfyUI.

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Option B: Manual (Git Clone)

Clone the repository into your custom_nodes folder:

git clone https://github.com/3R3BOS/ComfyUI-3R3BOS-Pack.git

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Option C: Direct Download (.rar)

1. Download the .rar file available on this page (see "Download" button).

2. Extract the archive.

3. Move the ComfyUI-3R3BOS-Pack folder into your ComfyUI/custom_nodes/ directory.

4. Restart ComfyUI.

⚙️ HOW TO USE

For the Batch Selector:

1. Right-click -> Add Node -> 3R3BOS -> Batch Selector.

2. Connect a batch of images (e.g., from a KSampler).

3. Connect the output to your Saver or Upscaler.

4. Run! select your favorites and click CONFIRM.

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For the Image Comparer:

1. Right-click -> Add Node -> 3R3BOS -> Image -> Image Comparer Slider.

2. Connect any two (or more) images you want to compare.

3. The slider will appear in the UI automatically.

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For the Aspect Ratio Master:

1. Right-click -> Add Node -> 3R3BOS -> Utils -> Aspect Ratio Master.

2. Select your Model Architecture and Aspect Ratio.

3. Connect the outputs to your Latent or Model inputs.

🔗 LINKS & SUPPORT

• GitHub Repository: https://github.com/3R3BOS/ComfyUI-3R3BOS-Pack

• Report Bugs: https://github.com/3R3BOS/ComfyUI-3R3BOS-Pack/issues

Update Log

v1.0.5

• CRITICAL FIX: Solved Batch Selector freezing issue when switching browser tabs during generation.

• ROBUSTNESS: Implemented "Heartbeat" mechanism to ensure the UI never loses connection with the backend.

• STABILITY: Added crash protection for corrupt or incomplete images in the preview grid.

v1.0.4

• NEW NODE: Introduced Aspect Ratio Master. The ultimate tool for calculating optimal resolutions for SDXL, Flux, Wan, LTX, Etc.

• FULL SYNC: Includes "Magic Numbers" for 2026 models (Hunyuan 2.1, Wan 2.2).

• STABILITY: Enforced strict Mod64/Mod32 constraints to prevent VAE artifacts.

• BUGFIX: Moved Batch Selector to the 3R3BOS/Image menu category for better organization.

v1.0.3

• BUGFIX: Batch Selector now correctly scales images using 'contain' mode, preventing edge cropping on non-square images (Fixes Issue #3).

v1.0.2

• NEW NODE: Introduced Batch Selector. A powerful replacement for the deprecated Visual Gatekeeper.

• REMOVED: Visual Gatekeeper (replaced by Batch Selector).

• UI OVERHAUL: Unified design language across all nodes (Sober/Monochrome aesthetic).

• PERFORMANCE: Native canvas rendering for Batch Selector eliminates HTML overlay issues.