How to Change/Adjust Video Aspect Ratio on Mac and Windows?

Aspect Ratio Changer - Change Aspect Ratio of Video AVI, MP4, MKV, MPG, VOB, FLV and more among 4:3, 16:9, 2.35:1, 1.85:1, 1:1, 21:9 etc

October 30th, 2013 by Emily Moore

Tags: change aspect ratio, change video aspect ratio, change aspect ratio of video file, adjust aspect ratio, aspect ratio changer, video aspect ratio changer, how to change video aspect ratio, change avi aspect ratio, mp4, mkv

Overview

Want to adjust video aspect ratio? Have the need to change aspect ratio of video files to 16:9, 4:3, 2.35:1, 1.85:1, 1:1, 21:9 etc or keep the original video aspect ratio easily? The following article will tell a powerful video aspect ratio changer as well as a detailed guide on how to change the aspect ratio of videos in AVI, MKV, MP4, FLV, VOB, MPG and more.

Aspect Ratio Changer

Bigasoft Total Video Converter is the professional Video Aspect Ratio Changer. The good aspect ratio changer can help easily adjust the aspect ratio of almost all popular video formats with ease.

Key Features

Change aspect ratio of MKV, AVI, MP4, FLV, MKV, Xvid, DivX, H.264, 3GP, WMV, RM, MOV, WTV, MXF, MVI, F4V, Apple ProRes MOV, WebM, VP8, AVCHD videos and more.
Aspect Ratio Changer can adjust the aspect ratio of videos to 4:3, 16:9, 2.35:1, 1.85:1, 1:1, 21:9 etc. or keep the original video aspect.
Change video aspect ratio of videos for TV, computers, portable devices including iPhone, iPod, iPad, PSP, Zune, Xbox, iMovie, Windows Movie Maker, Final Cut, PowerPoint, Premiere, Uverse and etc.
Adjust the DVD aspect ratio to 16:9 or 4:3 or keep the original.
Change the aspect ratio of YouTube videos.
Mac Video Aspect Ratio Changer is compatible with Mac OS X v10.4 (Tiger), 10.5(Leopard), 10.6(Snow Leopard), 10.7(Lion), 10.8(Mountain Lion), and 10.9 (Mavericks).
Video Aspect Ratio for Windows can work on Windows 8, Windows 7, Windows XP, Windows Vista, and Windows 2000.
A powerful video converter enables to convert more than 168 video and audio formats with fast speed and superb quality.
Nice video editor and YouTube video downloader.

How to Adjust/Change Video Files Aspect Ratio?

The below passage is the step by step guide to change AVI aspect ratio, change MPG aspect ratio, change aspect ratio of MKV, change aspect ratio of MP4, adjust aspect ratio of videos VOB, H.264, RM, 3GP, WMV, MXF, MOV, WTV, MVI, WebM, VP8, AVCHD, F4V, Apple ProRes MOV, and more.

Make Preparation: Run Video Aspect Ratio Changer

Free download Aspect Ratio Changer - Bigasoft Total Video Converter (For Windows, For Mac) to your computer. Run it when the downloading is finished.

Step 1 Import Videos to Aspect Ratio Changer

Click "Add File" to add videos to software. Simply dragging and dropping the video files to the interface of software is also a good choice.

Change Aspect Ratio of Video Files with Video Aspect Ratio Changer

Step 2 Choose the Output Format

Click the "Profile" drop-down button to set the output formats you prefer.

Step 3 Adjust Aspect Ratio

There are two options to change the video aspect ratio.

Option One

Click the "Crop" button, the "Video Edit" windows will pop up. In the "Video Edit" windows, go to "Zoom Mode" to set the aspect ratio as "16:9", "4:3", "Keep Original" or "Full Screen". Click "OK" when you finish.