> ## Documentation Index
> Fetch the complete documentation index at: https://docs.comfy.org/llms.txt
> Use this file to discover all available pages before exploring further.

# BriaTransparentVideoBackground - ComfyUI Built-in Node Documentation

> This node removes the background from a video using Bria's AI service and outputs the cut-out frames along with an alpha mask.

This node removes the background from a video using Bria's AI service and outputs the cut-out frames along with an alpha mask. Connect both outputs to a compositing node, or feed them to a Save WEBM node to write a transparent video.

## Inputs

| Parameter | Description | Data Type | Required | Range |
| - | - | - | - | - |
| `video` | The input video to process. The video must be 60 seconds or shorter. | VIDEO | Yes | - |
| `seed` | Seed controls whether the node should re-run; results are non-deterministic regardless of seed (default: 0) | INT | Yes | 0 to 2147483647 |

## Outputs

| Output Name | Description | Data Type |
| - | - | - |
| `images` | The video frames with the background removed, as RGB images in the range 0.0 to 1.0 | IMAGE |
| `mask` | The alpha mask for the video frames, following the Load Image convention where 1 means transparent | MASK |

> This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! [Edit on GitHub](https://github.com/Comfy-Org/embedded-docs/blob/main/comfyui_embedded_docs/docs/BriaTransparentVideoBackground/en.md)

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