Tech Assistant for Blind user guide

Smart Format Converter of Tech Assistant for Blind App: Best Audio Utility Tool for Visually Impaired Users:

By Administrator · Sunday, July 5 2026

In today's digital era, smartphone is not just a gadget but has become an essential part of our life. Especially for the Blind and Visually Impaired community, who depend on Screen Reader and Assistive Technology, a right Accessible Android App is no less than a life-changer. In this field, Tech Assistant for Blind app has made the daily tasks of visually impaired users very easy with its unmatched technology. Although this app includes many Smart Features for Blind, but today we are going to talk about its demanding and powerful tool – Format Converter Whether you need to reduce the size of a large audio file, or convert it to a specific device, this tool is 100% accessible depending on your Screen Reader such as TalkBack or other screen readers. Let us know everything about this amazing feature in detail.

## What is Format Converter? (What is this feature?)

Format Converter is an in-built tool that lets you convert any audio file (like WhatsApp voice notes, recordings or music files) from one format to another. Visually impaired users often face issues where a specific audio format is not supported by their media player or any other app. This tool is designed to be fully Accessibility Settings friendly. Its layout is so clean that a Blind and Visually Impaired user can convert audio files in a matter of seconds, using just swipe and double-tap gestures, without any external help. Its biggest feature is that it also supports Batch Conversion (multiple files selection), that is, you can select multiple audio files at once and change their format.

## Key Benefits of this feature

  • Universal Compatibility: With the help of this tool, you can convert any audio file to MP3 or other popular formats, so that it can be easily heard on any device or screen reader.
  • Storage Optimization: If your phone's storage is getting full, you can significantly reduce the file size without harming the audio quality by choosing formats like OPUS or AAC.
  • Lossless Quality Preservation: If you are an audio editor or music lover and want the best SOUND quality, you can use uncompressed formats like WAV or FLAC.
  • Fully Accessible Controls: Every button, checkbox, and dropdown menu in the app is properly labeled, making TalkBack easy to navigate. There is no unlabeled button in it.
  • Audio Customization (Advanced Audio Settings): Along with changing the format, it also gives you the freedom to customize advanced settings like Bitrate, Sample Rate, and Channels (Mono/Stereo).

## Step-by-Step Guide to use it

It is very easy to use Format Converter in Tech Assistant for Blind app. Follow the steps given below:

Step 1: Open the tool and select files

First of all, open Tech Assistant for Blind app in your phone. After this, go to **Audio Editor Hub, this feature by swiping. Here you will find Format Converter. As soon as the screen opens, you will get the option to select your audio files. You can select one or more files at once. At the bottom of the screen you will see how many audio files you have selected (eg: Selected: 1). After this double tap on Confirm Selection button given below.

Step 2: Choose your preferred audio format

After confirming, you will see a list of many audio formats. Tick the right option as per your need:

  • MP3: Most compatible (Plays in every device)
  • AAC: Great for mobile
  • WAV: Uncompressed. Lossless format (pure quality without compression)
  • FLAC: Lossless compressed. Lossless format (best quality in less size)
  • OGG: Open source (Open Source Format)
  • M4A: Apple/iTunes (Best for Apple devices)
  • OPUS: Best quality/size
  • WMA: Windows Media (for Windows computers)

Step 3: Set Advanced Settings (optional)

Swipe down to find the SETTINGS section, where you can further fine-tune the audio:

  • Bitrate: By-default this is *Bitrate: 192k. But it happens. By tapping on this you can choose 32k, 64k, 96k, 128k, 160k, 192k, 256k, or 320k.
  • Sample Rate: By-default this is *Sample rate: 44100 Hz. Remains set. You can change it to choose a value of 8000 Hz, 16000 Hz, 22050 Hz, 32000 Hz, 44100 Hz, 48000 Hz, or 96000 Hz.
  • Channels: Select Mono (single channel) or Stereo (dual channel) as per your convenience.
  • Normalize Audio: Tick this checkbox if your audio volume is too low or high. This will equalize the sound level.
  • Remove Metadata: Enable this option if you want to remove artist name, album or other hidden details from the audio file.

Step 4: Manage files and start conversion

The last part of the screen contains the FILES section. Here you can add more audio by clicking on Add more files or Add Files. If you want to remove a file from the list, tap the Remove button next to the file name. Once everything is set, select Convert files to OGG or whatever format you chose. Your file will be instantly converted and available to you in the file manager!

Download Tech Assistant for Blind App today!

Take digital accessibility into your own hands! This app is not just a format converter but also turns your smartphone into a true digital companion with many other features. Visit Google Play Store and download Tech Assistant for Blind app today to work seamlessly on your Android device independently and make your tech life smarter. Be self-reliant and enjoy technology to the fullest!