Posted by Eric Pascal -
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Don't Know How to Change Aspect Ratio in Adobe Premiere Pro CC?
See an alternative solution here: favored by most beginner-level users [88%]
The trend of shooting personal Vlogs or short videos has been overwhelming the globe. However, as amateur photographers, we usually need to change the dimensions (the width to the height) of videos after production. With regard to this issue, most people are finding easy tips of changing aspect ratio, such as 4:3 to 16:9 / 1:1, to alter the frame size and fit for different media players, devices and online sharing platforms.
Difficult to Change Aspect Ratio in Premiere Pro?
Professional and powerful video-processing software is indispensable when you want to change the aspect ratio of some footages. As an important component of Adobe series, Premiere Pro with its excellent performances in changing aspect ratio has become the first choice for many users. However, Premiere Pro is also known for its complicated manual settings, which has confused and repelled many basic users. So here today we’d like to deliver you a beginner-level guide of changing aspect ratio in Premiere Pro.
How to Change Aspect Ratio in Premiere Pro?
Step 1. Modify the settings
• Open up Premiere Pro and stay in the Start page
• Click on the "New Project" to create something new with your own settings
• Hit Browse to choose the save path of your production video > Select Timecode as video display format, audio samples as audio display format and DV as capture format > Click OK
Step 2. Import the target video
• Click File in the upper-left corner of the page > Choose Import to bring in your original video
Step 3. Select and add the effect
• Select Effects in the top panel > Search Crop by its search function
• Two ways to add the effect to the clip: Double click on the Crop option to add it or drag and drop the Crop effect on to the clip you wish to edit.
Step 4. Change aspect ratio in Premiere Pro
• After adding the Crop effects to the clip, you can see the Crop function panel emerge on the left side, where you can crop the image from the left, top, right, bottom by adjusting percentages.
• After being cropped, the footages usually deviate from the center as shown below.
• In this case, you have to manually drag the image to the center.
(Tips: To erase the surrounding black edge, you also need to increase the scale of the footages by dragging its crop handle)
• Click File in the upper-left corner > Choose Save to export your target video.
Conclusion
To be honest, despite its professional functions and impressive performances, cropping in Premiere Pro is quite complex and not friendly particularly to those entry-level users. But luckily, there does exist a perfect workaround - VideoProc, a handy and visualized video-processing software, by which you can set aspect ratio with one mere click.
It is too complex to change aspect ratio using Premiere Pro. 
Turn to VideoProc, the handy video software to set aspect ratio of video AT ONE CLICK
Step 1. Free download VideoProc
VideoProc - Crop videos or change aspect ratio easily.
- Built-in Crop feature to remove unwanted edges.
- Full list of aspect ratio options: 16:9, 16:10, 1:1, 4:3, 4:5, 2:1, 2:3, etc.
- Convert video formats, transcode, change resolutions, etc.
- Editing features: compress, cut, crop, merge, stabilize and more.
Download VideoProc on Windows 
to change video aspect ratios.
Download VideoProc on Mac to change video aspect ratios.
Step 2. Load the original video
• Open VideoProc > click the first button "Video" to enter into Video Processing panel.
• Click on the "+Video" button to add the original video from the local drive.
Step 3. Modify the settings
• Choose the target format in the bottom toolbar > Click Browse to select the save path > Click Crop button
Step 4. Aspect ratio change in VideoProc
In the Crop editing page, first check the box to Enable Crop, and there're two ways for you to change aspect ratio:
• No. 1 Mere one click - click Preset arrow to choose the common aspect ratio, such as 16:9, 4:3 and 1:1 (square video). That function is not supported in Premiere Pro and makes cropping easy especially for beginner-level users.
• No. 2 Crop the image from the left, top, right, bottom by adjusting position numbers.(Similar to percentage adjustment in Premiere Pro)
Step 5. Click Done and export the target video.
Final Words
By comprehensive comparison, cropping in Premiere Pro is complicated and not friendly to novices, while VideoProc tends to be simpler and easier to operate even for basic users, based on the premise of equivalent cropping effects. Therefore, the latter one must be a better choice if you just need to crop a video or change aspect ratio.
