SaveVideo - ComfyUI Built-in Node Documentation

The SaveVideo node saves input video content to your ComfyUI output directory. It allows you to specify the filename prefix, video format, and codec for the saved file. The node automatically handles file naming with counter increments and can include workflow metadata in the saved video.

Inputs

Parameter	Description	Data Type	Required	Range
`video`	The video to save.	VIDEO	Yes	-
`filename_prefix`	The prefix for the file to save. This may include formatting information such as `%date:yyyy-MM-dd%` or `%Empty Latent Image.width%` to include values from nodes (default: “video/ComfyUI”).	STRING	No	-
`format`	The format to save the video as (default: “auto”).	STRING	No	`"auto"` `"mp4"` `"webm"` `"mkv"` `"gif"`
`codec`	The codec to use for the video (default: “auto”).	STRING	No	`"auto"` `"h264"` `"h265"` `"vp9"` `"av1"` `"prores"`

Outputs

Output Name	Description	Data Type
`ui`	A preview of the saved video file, including the file path and subfolder information for display in the UI.	PREVIEW_VIDEO

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Outputs