Joycaption can generate detailed captions for images, making it highly useful for labeling in Flux training. Additionally, it can generate prompts even for NSFW images.

1. Joycaption online testing address: https://huggingface.co/spaces/fancyfeast/joy-caption-pre-alpha

2. ComfyUI Joycaption node address: https://github.com/StartHua/Comfyui_CXH_joy_caption

3. In Input and Output, fill in the path of the folder where the images are located.

4. Open Queue and modify Batch count to the number of images.