If you are a couch potato, you must enjoy the time when you lay down or sit on the couch to watch a movie or a TV series on your TV. It is true that with the advance of the movie industry, the watching experience of home theater has become more and more important in our daily life. In order to enhance the watching experience, people may be attracted to the newest or the biggest TV. Actually, no matter how big the screen is, we still can enhance the watching experience by adjusting the video aspect ratio. Yes, we should focus on the aspect ratio which is the relationship of an image’s width to height rather than the TV. Follow the article, you will get the best method to enhance the feeling of enjoying a movie.

Let’s Extend knowledge of video aspect ratio

As is known to all, the most common aspect ratios are 4:3, 16:9, 1:1, and 2.4:1. 16:9 and 4:3 are the most wildly used among them. 4:3 is a standard aspect ratio that was produced in the 1980s and the back of the 1990s. At that time, the camcorder and video camera recorded at 4:3. And 16:9 is the standard widescreen aspect ratio which we can usually see on websites. Besides on webs, smartphones, DSLRs and most modern recorders record videos are in 16:9 by default. As 16:9 become more and more popular, many people wonder is there any possibility to adjust 4:3 to 16:9. Of course, there is a method to achieve this goal.

The most powerful all-in-one aspect ratio converter

Traditionally, we can change the aspect ratio of the TV or the projector directly. However, you may found that the image on TV will become distorted and the people are ugly than before. Worse still, the original image will become less clear in a strange angle. Therefore, it is a good option to adjust the aspect ratio of the video rather than the devices. To adjust aspect ratio effortlessly, I highly recommend a professional all-in-one aspect ratio converter to you. WonderFox HD Video Converter Factory Pro, the multimedia tool I recommend to you, can change the aspect ratio from 4:3 to 16:9 with original quality. Besides the change aspect ratio efficiently, you are also allowed to convert video/audio files to your portable devices for better playback.

How to adjust aspect ratio from 4:3 to 16:9 with simple clicks

Before we start the :3 to 16:9 conversion process, free download and install the aspect ratio converter from its official homepage to keep it clean without any virus. Now, follow this step-by-step detailed guide to adjust the aspect ratio as you wish.

Step 1: Open this aspect ratio converter. Click the “Converter” icon and load your 4:3 videos by clicking “Add Files” on the top of the converter. Alternatively, you can drag and drop the files into the box directly.

Step 2: Select any format or portable devices you like as output format. Then click the “Parameter settings” button to adjust aspect ratio from original 4:3 to 16:9, meanwhile, you are also allowed to change it to others. What’s more, there is no need to worry about 4:3 video can’t see clearly at 16:9. This program can help you enhance video from SD to HD by choosing HD (MP4), HD (MOV), and so on under the “4K/HD” tab.

Step 3: Before clicking the “Run” button to start to convert 4:3 to 16:9 process, don’t forget to select one path folder to save the converted files. A few minutes later, enjoy your new video freely.


Follow this three-step guide, adjust 4:3 to 16:9 is no longer a complicated task for no matter newbie or expert in the video. With WonderFox HD Video Converter Factory Pro, you can not only adjust aspect ratio for a better watching experience but also download video/audio with HD quality from hot and popular online websites, while using the built-in video editor to crop, cut, add/remove subtitles can also get a better experience of watching movies in your home theater. Although it’s a paid program, it still worth to have a try. If you have found other good methods to adjust aspect ratio easily, leave your comments below.