How to Change Video Size (Resolution or Frame Size) in Premiere Pro

It's quite easy to change video size (width and height), also video frame size, video resolution/aspect ratio in Adobe Premiere Pro Sequence settings. You can also change video size in Premiere Pro for YouTube, Instagram, and other social media platforms. We will walk you through how to change the video size(width and height) in Adobe Premiere Pro. Steps may vary on different versions of Premiere Pro, such as Premiere Pro 2022/2020/2018, Premiere Pro CS6.

Part 1. How to Change Video Size/Frame Size in Premiere Pro

You can change video size or frame size or resolution in Adobe Premiere Pro by clicking on Aspect Ratio in the toolbar and select the aspect ration you want or set the aspect ratio for your video. It's the same thing to change video size or frame size or video resolution. Use the following steps to change video size in Premiere Pro. In this way, you can set video aspect ratio easily, including the Frame Size (height) and horizontal (width). Note that resizing is different from cropping video in Premiere Pro.

Change Frame Size for New Videos in Premiere Pro

Step 1. Open Adobe Premiere Pro on your computer, select File > New > Sequence.

Step 2. Select the Settings tab of the New Sequence dialog box. Elect Editing Mode to Custom.

Step 3. Enter the Frame Size (height) and horizontal(width) for your video under Video tab. Click on the OK tab to save the setting. The aspect ratio will be set by Premiere Pro automatically according to the frame size you set for videos.

For example, you change the video size to 1920x1080p in Premiere Pro, you need to set the Horizontal and Vertical values to 1920 and 1080p respectively.

Step 4. Name the sequence and click OK. The video size/frame size has been set in Premiere Pro.

Change Existing Video Size or Resolution in Premiere Pro

Step 1. Select Project Panel in the Editing tab.

Step 2. Right-click on the sequence and select Sequence Settings to open the Sequence Settings window.

Step 3. In the Frame Size section, enter the horizontal and vertical and set the video frame size in Adobe Premiere Pro.

Step 4. Click the OK button to save the video size you set in Premiere Pro.

Related: How to Compress Videos to Smaller Size in Premiere Pro

Part 2. How to Change Video Pixel Size in Premiere Pro

Step 1. Right-click the video in the Project Panel.

Step 2. Select Clip > Modify > Interpret Footage. Note that this option is unavailable for the clip on the Timeline panel or Program monitor.

Step 3. Select Conform To in the Pixel Aspect Ratio and choose aspect ratio from the list. You can set the video pixel size in Adobe Premiere Pro to Anamorphic 2:1, Widescreen 16:9, Square Pixels, etc.

Part 3. How to Change Video Size in Premiere Pro for YouTube, Instagram, etc.

The best frame size for YouTube, Instagram, and other social platform depends on your video quality. If your video is in 1080p, the frame size should be 1920x1080. For 4K UHD videos, the frame size would be 3840x2160. The standard aspect ratio 16:9 is good for YouTube, Square 1:1 is a great ratio for Instagram. Use the following steps to change video size (height and width) ratio for YouTube, Instagram, etc.

Step 1. Select Auto Reframe Sequence. Choose the sequence in the Project panel in Adobe Premiere Pro.

Step 2. Click Sequence > Auto Reframe Sequence, right-click the sequence in the Project panel and select Auto Reframe Sequence.

Step 3. In the popping up window, select the aspect ratio in the Target Aspect Ratio section. In this way, you can quickly change the video size to fit YouTube, Instagram etc. with the proper aspect ratio.

Part 4. Video Tutorial - How to Change Video Size in Premiere Pro

There are many Premiere Pro channels and tutorials on YouTube. They are good resources to learn Premiere Pro tricks and tips. The video tutorial below may help you quickly learn how to change video size, frame size, or resolution in Premiere Pro.