How do I flip a portrait video to landscape without losing video size?

[markfleener]

How can I flip a video like this 90 degrees, from portrait to landscape…

but still have it come out big, like this one, not small, like the 2nd one?..

[daniel47]

Manually set the video mode to a 16x9 mode. (Settings → Video Mode → 1080p30 or what matches your video).

[brian]

Settings > Video Mode

Introduction Video Mode is the project resolution, aspect ratio, frame rate, and color space. It is important to set this as you desire at the beginning of your project. If you try to change it later Shotcut will try to retain the timing of edits, but some users have reported problems, and it is risky. Also, at this time Shotcut will not automatically adjust anything for you related to size and positioning of elements like text and picture-in-picture when changing resolution. You can think of …