To change the size of your video, go to Sequence Settings and adjust the Video Frame Size. To adjust the size of an individual video in your sequence, select it and open the Effect Control panel. Adjust the Scale, Position and other parameters as desired.

Premiere Pro has powerful colour correction and grading tools, including AI-powered features and advanced tools for precise control. Read about those on the Colour Correction and Grading feature page.

In Premiere Pro, you can change the sequence size to a vertical video. To create a vertical video from an existing sequence, use Auto Reframe. This AI-powered tool instantly identifies the focal point of action in your shots and keeps it visible as you change aspect ratios. Read more on the AI for Video Editing page.

Add a clip to the sequence to trim video with industry-standard tools inside Premiere Pro. With the Selection tool, click and drag the edge to trim away video. You can select other editing tools like Ripple, Roll, Slip and Slide to do more advanced trimming functions.