ComfyUI > Nodes > Wan-video-extender

ComfyUI Extension: Wan-video-extender

Repo Name

wan-video-extender

Author
granddyser (Account age: 2032 days)
Nodes
View all nodes(2)
Latest Updated
2025-11-29
Github Stars
0.03K

How to Install Wan-video-extender

Install this extension via the ComfyUI Manager by searching for Wan-video-extender
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter Wan-video-extender in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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Wan-video-extender Description

Wan-video-extender transforms short videos or images into longer, temporally consistent clips using VACE-based control latent. It supports multiple extension loops, each with unique prompts and optional LoRA for scene evolution.

wan-video-extender Introduction

The wan-video-extender is a powerful extension designed to enhance your video creation process by providing advanced features for video extension and animation. This tool is particularly beneficial for AI artists who want to extend existing videos, animate static images, or generate videos purely from text prompts. With its memory-optimized architecture and support for various input modes, the extension allows you to create seamless video transitions, maintain character consistency, and manage complex video projects with ease. Whether you're looking to add new frames to a video, animate a still image, or create a video from scratch, the wan-video-extender offers a comprehensive solution to meet your creative needs.

How wan-video-extender Works

At its core, the wan-video-extender operates by taking an input—be it a video, an image, or a text prompt—and extending it through multiple loops of generation. Each loop uses the last few frames of the previous output as context, ensuring smooth transitions and consistent character appearances. This process is akin to building a story frame by frame, where each new segment builds upon the last. The extension uses a smart overlap system to maintain continuity, and its memory optimization ensures that even long videos can be processed without overwhelming your system's resources.

wan-video-extender Features

Core Features

  • Flexible Input Modes: Choose from video input (extend existing videos), image input (animate static images), or no input (generate videos from text prompts).
  • Multi-Loop Video Extension: Extend videos through multiple cycles, allowing for complex and detailed video narratives.
  • Memory Optimization: Efficiently manages RAM usage by storing segments on disk and only keeping necessary frames in memory.
  • Smart Overlap System: Uses the last N frames as context for seamless transitions, with customizable overlap settings.

Advanced Character Consistency

  • Reference Image Support: Use a character portrait to ensure consistent appearance across all loops.
  • Intermediate Image Injection: Insert new images between loops to guide the generation process.
  • Per-Loop Prompts and LoRAs: Customize prompts and load different LoRAs for each loop to create dynamic and evolving scenes.

wan-video-extender Models

The extension supports different models for high and low noise diffusion, allowing for precise control over the video generation process. By using separate models for different noise levels, you can achieve a balance between detail and smoothness in your videos. This feature is particularly useful when working with complex scenes or when aiming for a specific artistic style.

What's New with wan-video-extender

Latest Update: Memory Optimization & Endframe Control

  • True High/Low LoRA Support: Dedicated LoRA slots for both high and low noise stages, providing granular control over the diffusion process.
  • Enhanced Loop Controls: Per-loop support for hard cuts, reference images, and distinct LoRA patching.

Recent Fixes and Improvements

  • Memory Fix: Resolved high RAM usage during final video assembly by merging segments incrementally.
  • Reference Image Logic Fix: Ensured global reference images respect per-loop toggles for consistent application.

Troubleshooting wan-video-extender

Common Issues and Solutions

  • High RAM Usage: Ensure that your system has sufficient RAM and monitor usage, especially after multiple loops. Consider reducing the number of loops or overlap frames if necessary.
  • Inconsistent Character Appearance: Use reference images and increase overlap frames to maintain consistency across loops.
  • Unexpected Output: Double-check your input settings and ensure that prompts and LoRAs are correctly configured for each loop.

Frequently Asked Questions

  • How do I improve video consistency? Increase the overlap frames and use reference images to maintain character consistency.
  • What should I do if the extension crashes? Check your system's RAM usage and reduce the number of loops or frames if needed.

Learn More about wan-video-extender

For additional resources, tutorials, and community support, consider exploring the following:

  • WAN2.2-14B-Rapid-AllInOne Model: Recommended model for optimal performance with the wan-video-extender.
  • Community Forums: Join discussions with other AI artists to share tips, ask questions, and get support.
  • Tutorials and Documentation: Look for online tutorials that provide step-by-step guidance on using the extension effectively. By leveraging these resources, you can enhance your understanding of the wan-video-extender and unlock its full potential for your creative projects.

Wan-video-extender Related Nodes

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RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.

Wan-video-extender detailed guide | ComfyUI