In computer vision training, every source image or video frame requires a corresponding .txt file containing normalized coordinates ( class index, x_center, y_center, width, height ) to map targets accurately.

Never rely on the file icon or the name extension alone. Use built-in terminal tools to check the true container format of a file before double-clicking it:

This is meant to look like a leaked or private video to bait clicks. "Yolobit":