Lower the quality of recorded videos on phone to reduce file size

Can I decrease the quality of recorded videos on phone to reduce the file size ?

Is it possible to downgrade the quality of already recorded videos ?

Yes, it is possible to reduce a quality of videos taken by Android phone.

To change the quality of recorded video:
1. Find and Open your video file in the Gallery.
2. Tap on the Pencil to edit your video.
3. Then tap on the three dots in top right corner and choose Size and format.
4. Select the New video resolution and tap on Done.