A fourteen-device-in-one crumplable-seatbeltable-rampable-leggable-top-panel pet crate comprises crumplable-seatbeltable-rampable-leggable top, bottom, left, right, front, and rear panels attached to one another, removable multi-function mezzanine, removable crumple-zone multi-function locking double clips, removable crumple-zone multi-function accessory-hanging ring hooks for holding towels and accessories, left door, front door, top quick-panel-locking-and-releasing stoppers and hooks for safely and releasably locking the front and rear panels to the top panel, and side quick-panel-locking-and-releasing stoppers and hooks for safely and releasably locking the front and rear panels to the left and right panels. The removable crumple-zone multi-function locking double clips enable the crumplable-seatbeltable-rampable-leggable top panel to be removed and stored inside the tray at the bottom of the pet crate to reduce 30% of the thickness of the NON-removable-top-panel pet crate when the pet crate is folded for storage and transportation. The removable crumple-zone multi-function locking double clips enable the crumplable-seatbeltable-rampable-leggable top panel to function as a hanger, an arm, a lid, a convertor, a car-seat fastener, a spike, a leg, a ladder, a ramp, and a crumple zone when attached to a seat or headrest to absorb collision to protect pets in an accident. The removable crumple-zone multi-function locking double clips also enable the crumplable-seatbeltable-rampable-leggable top panel and the removable multi-function mezzanine to divide the pet crate into multiple compartments and stories for multiple pets, and to function as removable roof, floor, ramp, balcony, awning, partition, ceiling, angled divider, pet toy storage, patio.