This task can be performed using Google Drive video editor
Edit videos on Google Drive
Best product for this task

Google Drive video editor
social-tools
Edit your videos with Google Drive video editor. Adjust brightness, crop, trim, mirror, rotate, remove metadata and save your edits.

What to expect from an ideal product
- Open your video in Google Drive and click the pencil icon to launch the video editor
- Use the brightness slider in the editor toolbar to make your video lighter or darker
- Click the rotate button to turn your video 90 degrees clockwise or counterclockwise
- Preview your changes in real-time before saving to make sure they look right
- Hit the save button to create a new edited version while keeping your original video intact