You may need to adapt a video file to a different format or aspect ratio, for example remove the black parts on the sides of a vertical video saved originally with a 16:9 aspect ratio.
Use Crop & Trim Video Editor for Android
Free version allows you to crop the video without adding watermarks.
https://play.google.com/store/apps/details?id=fnzstudios.com.videocrop
Use Clipchamp for Android
Clipchamp is a freemium video editor.
It was originally developed by Australian company Clipchamp. It was acquired by Microsoft in 2021.
It is installed by default on Windows 11.
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