ComfyUI > Nodes > ComfyUI-UniversalToolkit > Video Prompt Helper

ComfyUI Node: Video Prompt Helper

Class Name

Video_Prompt_Helper

Category
UniversalToolkit/Tools
Author
whmc76 (Account age: 1110days)
Extension
ComfyUI-UniversalToolkit
Latest Updated
2026-03-16
Github Stars
0.07K

How to Install ComfyUI-UniversalToolkit

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

Assists AI artists in crafting detailed video prompts with text input and aspect ratio options.

Video Prompt Helper:

The Video Prompt Helper is a versatile tool designed to assist AI artists in generating detailed and professional video prompts. This node is particularly beneficial for those looking to create cinematic video content by providing a structured approach to prompt creation. It allows users to input a text description of the desired video, specify the aspect ratio, and even include negative prompts to guide the AI on what to avoid. The node's primary goal is to streamline the video creation process by offering a user-friendly interface that enhances the prompt with AI assistance, ensuring that the final output aligns closely with the user's vision. By leveraging this tool, you can efficiently craft prompts that capture the essence of your creative ideas, making it an essential component for video generation projects.

Video Prompt Helper Input Parameters:

prompt

This parameter allows you to input a textual description of the video you wish to create. It supports multiline text, enabling you to provide a comprehensive and detailed description. The prompt serves as the foundation for the video generation process, guiding the AI in understanding the desired content and theme. There is no specified character limit, but providing a clear and concise description will yield better results.

aspect_ratio

The aspect ratio parameter lets you choose the dimensions of the output video. You can select between "16:9" and "9:16", with "16:9" being the default option. This choice affects how the video is framed and can influence the overall aesthetic and presentation of the final product. Selecting the appropriate aspect ratio is crucial for ensuring that the video fits the intended display format.

negative_prompt

This optional parameter allows you to specify elements that should be avoided in the video. By providing a negative text prompt, you can guide the AI to steer clear of certain themes, objects, or styles that do not align with your vision. This feature is particularly useful for refining the output and ensuring that unwanted elements are excluded from the final video.

duration_seconds

This parameter determines the length of the output video in seconds. You can set a duration between 5 and 8 seconds, with the default being 5 seconds. The duration impacts the amount of content that can be included in the video, so it's important to choose a length that suits your project's needs while considering the complexity of the prompt.

enhance_prompt

The enhance prompt parameter, which is optional and advanced, allows you to enable or disable AI assistance in enhancing the prompt. By default, this feature is enabled, meaning the AI will automatically refine and improve the prompt to better align with the desired video output. This can be particularly helpful for users who want to ensure their prompts are as effective as possible.

Video Prompt Helper Output Parameters:

generated_prompt

The generated prompt is the primary output of the Video Prompt Helper. It represents the refined and enhanced version of the input prompt, tailored to guide the AI in creating the desired video. This output is crucial as it encapsulates the user's vision in a format that the AI can effectively interpret and execute, ensuring that the final video aligns with the specified requirements.

Video Prompt Helper Usage Tips:

  • To achieve the best results, provide a clear and detailed prompt that accurately describes the video you envision. This will help the AI generate content that closely matches your expectations.
  • Utilize the negative prompt feature to exclude unwanted elements from your video. This can be particularly useful for refining the output and ensuring that the final product aligns with your creative vision.
  • Experiment with different aspect ratios to see how they affect the framing and presentation of your video. Choosing the right aspect ratio can enhance the overall aesthetic and impact of your content.

Video Prompt Helper Common Errors and Solutions:

Error loading prompt_ui_labels.json

  • Explanation: This error occurs when the system is unable to load the UI labels file, which may be due to a missing or corrupted file.
  • Solution: Ensure that the prompt_ui_labels.json file is present in the expected directory and is not corrupted. If necessary, replace it with a backup or download a fresh copy from the source repository.

Invalid aspect ratio selection

  • Explanation: This error may arise if an unsupported aspect ratio is selected, which can happen if the input is not one of the predefined options.
  • Solution: Verify that the aspect ratio selected is either "16:9" or "9:16". If the error persists, reset the parameter to its default value and try again.

Video Prompt Helper Related Nodes

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