Tech Assistant for Blind user guide

Video Aspect Ratio Changer: Now make videos for every platform.

By Administrator · Tuesday, August 4 2026

Nowadays, it is common to upload the same video on different platforms. But every platform has its own Aspect Ratio. For example, YouTube requires 16:9, Instagram Posts require 1:1, Instagram Reels and YouTube Shorts require 9:16, while some videos require 4:3 or 21:9. In such a situation, many people have to edit their videos again and again. If you are Blind, this process may be more difficult. Aspect Ratio Changer feature of Tech Assistant for Blind app has brought the solution to this problem. This Accessible feature is fully compatible with TalkBack, so you can change the aspect ratio of any video in a few simple steps, without losing quality.

What is Aspect Ratio Changer? what is Aspect Ratio Changer?

Aspect Ratio Changer is a Smart Video Editing Feature, with the help of which you can change the Display Ratio of any video. If your video is in Portrait and you have to convert it to Landscape, or export it in Square Format, then this feature is very useful for you. After selecting a video, its Original Resolution is visible first. After this you can choose any of the Aspect Ratio as per your requirement like 16:9 (Landscape), 1:1 (Square), 9:16 ​​(Portrait), 4:3 (Standard) and 21:9 (Cinematic). If you want that the video does not look bad after getting stretched, then you can enable the Prevent Video Stretching option. This feature preserves the proportions of the video by using Letterboxing or Cropping instead of squishing it. Apart from this, options like Fit with Bars and Crop to Fill are available in Resize Method. If empty space is visible around the video, then in Background Padding Color, you can also select Black, White, Gray, Dark Gray Silver, or the color of your choice.

Key benefits of this feature

  • Visually Impaired persons can easily change the aspect ratio of any video.
  • You can choose the right Aspect Ratio according to YouTube, Instagram, Facebook, WhatsApp and other platforms.
  • Popular Aspect Ratios like 16:9, 1:1, 9:16, 4:3 and 21:9 are available.
  • Prevent Video Stretching option prevents the video from being stretched or distorted.
  • Resize methods like Fit with Bars and Crop to Fill provide better results.
  • Different Background Padding Color can be selected as per requirement.
  • Video presentation looks more professional.
  • Before uploading on social media, the video can be prepared in the correct format.

Step by step guide to use it

Step 1:

First of all, open Tech Assistant for Blind app in your phone. Now go to Video Editor Hub among the many features. Here you will find Aspect Ratio Changer feature, double tap on it.

Step 2:

Next, select a video from your device by tapping on the Tap to Pick a Video button. After selecting the video, its Original Resolution will be visible.

Step 3:

Now select any option as per your requirement in Target Aspect Ratio. Available Aspect Ratio:

  • 16:9 (Landscape)
  • 1:1 (Square)
  • 9:16 (Portrait)
  • 4:3 (Standard)
  • 21:9 (Cinematic)

Step 4:

If you do not want the video to stretch, enable the Prevent Video Stretching option.

Step 5:

Now select Resize Method. Available options:

  • Fit with Bars
  • Crop to Fill

Step 6:

If necessary, select Background Padding Color. Available colors:

  • Black
  • White
  • Gray
  • Dark Gray
  • Silver

Step 7:

After doing all the settings, now tap on Resize Video button. Enter File Name for the new video. Finally tap on Change Aspect Ratio and Save button. Within a few moments, the video with the new aspect ratio will be saved in your device in the Downloads/tech assistant/video editor hub folder.

Aspect Ratio Changer feature is a useful solution for those users who want to prepare the correct format of their video according to different platforms. Whether you need a video in Landscape, Portrait, Square or Cinematic format, this feature makes the whole process easy. Options like Prevent Video Stretching, Resize Method and Background Padding Color ensure better results, while its accessibility with TalkBack makes it a great video editing tool for Visually Impaired peers. If you want the best combination of Accessibility, Productivity and ease of use, then Tech Assistant for Blind is an excellent solution for you. The Smart Features for Blind available in it make many of your everyday digital needs easier. Download it from Google Play Store and experience it yourself.