ComfyUI Custom Extensions

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ComfyUI custom nodes for InstructSAM.

ComfyUI plugin for Sa2VA segmentation with independent model loaders, ComfyUI memory management, and VITMatte edge refinement. (Description by CC)

ComfyUI custom node for toggling prompt groups by title from JSON files with flexible prompt selection and output formatting. (Description by CC)

A ComfyUI custom node for tag-based prompt editing.

Dynamic switch nodes for ComfyUI providing flexible iterative input selection with intelligent fallback logic.

MP4/MOV to a single IMAGE frame — loop, random, skip-every-nth, frame counters (ib video slicer).

A simple ComfyUI utility node that calculates image width and height from a target longest-side value and an aspect ratio.

A simple ComfyUI custom node that inspects workflow in PNG file and loads embedded metadata. (Description by CC)

ComfyUI node for LLM client integration. (Description by CC)

豆包 Seedance 2.0 视频生成节点（走 DMXAPI）：文生视频 / 首帧生视频 / 首尾帧生视频 / 视频编辑·延长·多模态参考生视频 / 任务获取。Doubao Seedance 2.0 video nodes via DMXAPI.

Configurable Gemini image generation and editing node with native Gemini REST and OpenAI-compatible API support.

A complete MiniMax H3 creation workspace node for ComfyUI, built to keep prompting, Cast, references, LoRAs, shot planning, previews, still preparation, sampling, assembly, and output in one cohesive place.

A custom node for ComfyUI that transforms user photos into stylized character avatars.

Personal custom nodes repository for ComfyUI including Mosaic By Mask and Censor Bars By Mask nodes. (Description by CC)

A ComfyUI custom node pack to manage checkpoint presets (steps, CFG, samplers, schedulers, and prompt prefixes/suffixes).

Push every ComfyUI generation (image or video) into a Zegami collection for visual triage, comparison, and curation.

Custom ComfyUI node providing unified access to multiple Large Language Models including OpenAI-compatible APIs and local Ollama instances with image support.

ComfyUI custom node for Gemini image generation via OpenRouter API, supporting text prompts and multiple image inputs (up to 4 images) with automatic saving to output directory. (Description by CC)

Browse, download, and manage AI models, LoRAs, and workflows from CivitAI and HuggingFace, with custom nodes that carry their documented trigger words.

Next to AI mathematical methods can be used for the detection of objects like a circle.

ComfyUI simple square masks creation.

Custom nodes for ComfyUI with specialized image processing and saving functionality.

Never lose which seed, model, LoRA and prompt made a clip. Writes a take.json beside every video ComfyUI renders, so any take can be found, reproduced or rerun, and a night of renders ranked without reopening ComfyUI.

GROW DiT watermarking with shared embed/detect configuration for ComfyUI

A smart logic switch for ComfyUI that physically mutes upstream nodes to save GPU/CPU resources, featuring dynamic inputs and auto-cleanup.

Memory-conscious ComfyUI nodes used by TUTU's LTX 2.3 360 VR video workflow.

NODES: Prompt Preset, Video Batch Loader, Video Combiner

Comfyui-SceneDetect is a ComfyUI custom node that uses PySceneDetect to locate scene boundaries in a video and emit one representative frame per scene as an `IMAGE` batch. It also returns per-scene metadata as JSON (`STRING`) and the total number of detected scenes (`INT`).

A ComfyUI custom node that converts segmentation masks into random coordinate points compatible with SAM2 prompts.

comfyui_browser_url_workflow is custom node that open workflow from browser url params.

A ComfyUI custom node that scales images proportionally and fills to specified dimensions with a solid color background, supporting size reduction and centered placement. (Description by CC)

use TAESD decoded image.you need donwload taesd_decoder.pth and taesdxl_decoder.pth to vae_approx folder first. It will result in a slight loss of image quality and a significant decrease in peak video memory during decoding.

Original Character (OC) generator with comprehensive modular components for building and customizing characters with different bodies, hair, outfits, and accessories. (Description by CC)

智绘灵箱 - 功能丰富的 ComfyUI 自定义节点插件，提供图像处理、画板绘制、文本操作等多种实用功能

Comprehensive image processing plugin for ComfyUI

ComfyUI custom nodes for Grok image and video models through a local OpenAI-compatible media proxy.

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ComfyUI custom nodes for calling OpenAI's DALL-E 3 image model through a Zuco-compatible base URL with text-to-image and image-to-image support.

Gemini chat and image generation via LiteLLM. Multimodal support with multiple reference images. Precise control over image resolution (1K/2K/4K) and aspect ratio (1:1, 16:9, 4:3, 9:16, 3:4). Temperature control (0-1). Zero external dependencies.

Displays real-time GPU usage, VRAM consumption and temperature inside ComfyUI UI.

ComfyUI custom node for image quality evaluation — FID / IS / CLIP-Score / LPIPS

NODES: Item List, Template Input, Template Processor, Scene Queue Node, Trigger Passthrough Node