PreviewAny - ComfyUI Built-in Node Documentation

Complete documentation for the PreviewAny node in ComfyUI. Learn its inputs, outputs, parameters and usage.

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The PreviewAny node displays a preview of any input data type in text format. It accepts any data type as input and converts it to a readable string representation for viewing. The node automatically handles different data types including strings, numbers, booleans, and complex objects by attempting to serialize them to JSON format.

Inputs

Parameter	Data Type	Required	Range	Description
source	ANY	Yes	Any data type	Accepts any input data type for preview display

Outputs

Output Name	Data Type	Description
UI Text Display	TEXT	Displays the input data converted to text format in the user interface