An online lockable device ordering system and method for lockable devices such as padlocks including a key matching module configured for user entry of at least one key identifier configured to unlock certain lockable devices. The key matching module matches the key identifier with a range of stored key identifiers stored in a storage device. Images of lockable devices corresponding to the matched range are displayed on a user display screen, and the user can select a lockable device from the displayed images. The selected lockable device is customized to open with the user's existing key.