1.**Pixabay**: Free copyright-free materials such as high-definition pictures, videos, audio and vector graphics can be downloaded without registration.

2.**Videvo**: Provide a large number of free high-definition video materials, including animation, countdown to movie start, etc.

3.**Pexels Video * *: Provide free HD video materials, including natural scenery, urban scenery, portraits, etc.

4.**Vidsplay**: Provide free HD video materials, including natural scenery, urban scenery, portraits, etc.