HD Video Converter - Adjust aspect ratio for better watching experience.
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Aspect Ratio Converter- Private Home Theater Manager

I’d like to tell some tricks of the ropes for you to know the significance of aspect ratio, also guide you to adjust videos for better proportions with the help of aspect ratio converter.


HD Video Converter
HD Video Converter Factory Pro
Change movie files with different aspect ratio, which gives the best proportion of movie. In addition, it supports any format conversion for playback on variety display.
Free Download
Compatible with Windows 10/8.1/8/7/Vista/XP/...
Private home theater

Private home theater

With the advances of technology, the home theater experience becomes more important. When going to the local electronics retail store to pick out a TV or projector, the potential buyer is often overwhelmed by the sheer selection and sizes of TVs to choose from. Not only do TVs come in large or small sizes, there is another factor is needed to be aware of: Screen Aspect Ratio, which is the relationship of an image’s width to height.

Instead of buying a newly published TV, you could get better enjoyment by mean of adjusting aspect ratio of your video files. So now I’d like to teach you how to adjust the aspect ratio of your video collections with a full-featured aspect ratio converter.

How to Adjust Aspect Ratio?

Scheme One: Change Aspect Ratio from 4:3 to 16:9

4:3 is known as the standard aspect ratio, while the 16:9-standard is commonly referred to widescreen. With the development of technology, 16:9 becomes more popular and widely used. Most people may have one question in their mind: can I watch 4:3 videos on a 16:9 display? My answer is positive. Your video will become clearer and higher quality than original movies.

Adjust Aspect Ratio within 3 Steps

Download and install this best tool to change your video aspect.

Step 1.Install and Launch

Click the “Add file” button to import video or you can just simply drag or drop your video files. Another advantage is that you can put in your files in the batch operation, which heavily save your time and energy.

Add files

Add files

Step 2.Select Output Format and Ratio Aspect

You can select any output video format you want or directly click “settings”. Open the aspect ratio list and select 16:9.

Select output format

Select output format

Tips: What’s more? This software also supports you for more amazing advanced settings. When it comes to the quality of the video, most of us probably think that a poor quality 4:3 video couldn’t be clearly watched on a larger 16:9 screen. However, this software could make dream come true. It could help you make SD video to HD video simply by means of choosing the “output format” as HD video formats. Such as MKV(HD), AVI(HD), MPG(HD).

SD to HD

SD to HD

Step 3.Complete Processing

Click “Run” button and enjoy your movie in no time.

Notes: There are still a large number of output formats you can choose, such as MP4, WMV, WEBM, VOB, meanwhile, you can also convert video to 4K, change video resolution. Besides, software also provides you the optimum settings of the most popular electronic products, such as iPhone, Samsung, LG, Toshiba, HD Projector and so on.

Other format

Other format

Scheme Two: Change Aspect Ratio from 16:9 to 4:3

Step1. Import 16:9 video files. >> Step2. Select output format and choose 4:3 aspect ratio in settings. >> Step3. Start converting.

Tips: By the way, when it comes to converting Sony HD aspect ratio projector, 16:9 videos to 4:3 videos for your smaller iPhone, this program will help you greatly improve the conversion speed without quality loss. With the fast and safe compression of the video, you can save a lot of time and use less memory of your device by means of reducing the size of videos. This program would be a great aspect ratio video resizer you have ever met.

Now, please download the HD Video Converter Factory Pro to complete your jobs.

What Does Aspect Ratio Mean?

Aspect ratio is the relationship of an image’s width to height, or its proportions. For example, a 4:3 display produces an image that is more square, where a 16:9 ratio produces an image that is more rectangular in shape. The most common aspect ratios are 4:3, 16:9(standard HDTV). Which one do you like best? It probably depends on what you plan to playback.

More Functions and Benefits for Windows Users

WonderFox HD Video Converter Factory Pro is an excellent video converter which is recommended by CNET. It’s not only an aspect ratio tool, but also a powerful tool that allows you to download YouTube video , merge video into one, add effects to your video, cut video, make cellphone ringtone. It’s a converter supports almost all the major format conversion, such as MP3, MP4, new VR video, you can transfer video to any of your portable devices.

More Special Features on HD Video Converter Factory Pro

  • Provided with an built-in video editor
  • Various media formats, optimized profiles for 220+ hot devices
  • Download video from YouTube. Freely select output video size before downloading
  • Compress video with best quality with smallest size
  • Fastest conversion speed, 30X speed up supported
  • Extract soundtracks from film/video, your ringtone maker
Knowledge Promotion Time: just feel free to share this useful tip with others!
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Aspect Ratio Converter- Private Home Theater Manager