ComfyUI > Nodes > ComfyUI > Kling Video Extend

ComfyUI Node: Kling Video Extend

Class Name

KlingVideoExtendNode

Category
api node/video/Kling
Author
ComfyAnonymous (Account age: 763days)
Extension
ComfyUI
Latest Updated
2026-05-13
Github Stars
112.77K

How to Install ComfyUI

Install this extension via the ComfyUI Manager by searching for ComfyUI
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI 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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Kling Video Extend Description

Enhance video content with AI-driven extension and modification capabilities in Kling suite.

Kling Video Extend:

The KlingVideoExtendNode is designed to enhance and extend video content by leveraging advanced AI-driven techniques. This node is part of the Kling suite of video processing tools, which are known for their ability to transform and manipulate video data with precision and creativity. The primary purpose of the KlingVideoExtendNode is to take an existing video and extend its duration or modify its content based on user-defined prompts. This is achieved through a sophisticated process that involves generating new frames that seamlessly integrate with the original video, ensuring a smooth and coherent extension. The node is particularly beneficial for creators looking to add depth and narrative to their videos without the need for extensive manual editing. By utilizing this node, you can effortlessly enhance your video projects, making them more engaging and visually appealing.

Kling Video Extend Input Parameters:

prompt

The prompt parameter is a textual input that guides the AI in generating new video content. It serves as a creative directive, allowing you to specify the themes, styles, or elements you wish to incorporate into the extended video. This parameter is crucial for tailoring the video output to match your artistic vision. There are no strict minimum or maximum values, but the prompt should be clear and descriptive to achieve the best results.

negative_prompt

The negative_prompt parameter allows you to specify elements or styles that you want to avoid in the video extension. By providing a negative prompt, you can refine the output by excluding unwanted features, ensuring the final video aligns more closely with your desired outcome. Like the prompt, this parameter does not have fixed limits but should be used thoughtfully to guide the AI effectively.

cfg_scale

The cfg_scale parameter controls the strength of the prompt's influence on the video generation process. A higher value will result in a video that closely follows the prompt, while a lower value allows for more creative freedom and variation. This parameter is essential for balancing between strict adherence to the prompt and allowing the AI to introduce novel elements. Typical values range from 1 to 10, with a default value often set around 7 for balanced results.

video_id

The video_id parameter is a unique identifier for the video you wish to extend. It ensures that the correct video is selected for processing and extension. This parameter is critical for maintaining the integrity of the video data and ensuring that the correct content is modified. The video_id is typically generated by the system and does not require manual input.

Kling Video Extend Output Parameters:

video

The video output parameter represents the final extended video. This output is the culmination of the node's processing, incorporating the specified prompts and adjustments to create a seamless extension of the original video. The video output is crucial for evaluating the success of the extension process and serves as the primary deliverable for your creative projects.

video_id

The video_id output parameter is the identifier for the newly extended video. It is essential for tracking and managing the video within your project workflow, ensuring that you can easily reference and utilize the extended content in future tasks or presentations.

duration

The duration output parameter indicates the total length of the extended video. This information is vital for understanding the extent of the modifications made and for planning subsequent editing or distribution activities. The duration helps you assess whether the video meets your project requirements in terms of length and pacing.

Kling Video Extend Usage Tips:

  • Use clear and descriptive prompts to guide the AI in generating content that aligns with your creative vision.
  • Experiment with different cfg_scale values to find the right balance between prompt adherence and creative freedom.
  • Utilize the negative_prompt to exclude unwanted elements and refine the video output.

Kling Video Extend Common Errors and Solutions:

Invalid video_id

  • Explanation: The video_id provided does not correspond to an existing video in the system.
  • Solution: Ensure that the video_id is correct and corresponds to a valid video. Double-check the ID for any typographical errors.

Prompt too vague

  • Explanation: The prompt provided is too general, leading to an unsatisfactory video extension.
  • Solution: Refine the prompt to be more specific and detailed, providing clear guidance for the AI to follow.

High cfg_scale causing overfitting

  • Explanation: A very high cfg_scale value may cause the video to adhere too strictly to the prompt, resulting in a lack of creativity.
  • Solution: Lower the cfg_scale value to allow for more variation and creative input from the AI.

Kling Video Extend Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI
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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.

Kling Video Extend