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Wondershare UniConverter

Your Complete Video Solution

  • Convert mono to stereo without quality loss on Windows/Mac.
  • Transfer converted files from PC/Mac to iPhone/iPad/Android devices directly via a USB cable.
  • Burn music to CD and videos to DVD/Blu-ray disc with original quality.
  • All-in-one tool: DVD converter, screen recorder, video compressor, and more.


1. Convert Video to Any Format+
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Top 5 Mono to Stereo Converter on Windows/Mac

by Kayla Morrison • 2024-06-18 18:07:27 • Proven solutions

Mono and stereo are the two sound types where the mono has the audio in the single channel that is majorly centered in the sound field while the stereo uses two or more than two audio channels for creating the sound. Stereo sound offers the impression of the sound coming from different directions, and it also offers better audio quality. So if you want to improve the quality of your audio file, there is mono to stereo converter tools available.

Part 1. The Best Mono to Stereo Converter with Fast Speed

If you want nothing less than the best for converting your mono audio files to stereo, Wondershare UniConverter is the tool to use. This professional software supports all major audio formats for the task and allows converting the number of channels to convert the files from mono to stereo. Conversion to other audio formats is also supported in high quality and with batch processing. The editing feature of the tool also facilitates other audio file parameters like encoder, sample rate, and bit rate.


Wondershare UniConverter - All-in-one Toolbox

  • Convert mono audio files to stereo by changing the number of channels
  • Convert video for mobile devices, like iPhone, iPad, Huawei phone, Android, etc.
  • Download videos from popular sites like YouTube, Dailymotion, Vevo, etc.
  • 30X faster conversion speed than any conventional converters
  • Edit, enhance & personalize your videos file
  • Download/record videos from YouTube and other 10,000 video sharing sites
  • Versatile toolbox combines video metadata, GIF maker, video compressor, and screen recorder
  • Supported OS: Windows 10/8/7, Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6

Steps to convert mono to stereo audio using Wondershare UniConverter

Step 1 Launch the Wondershare UniConverter software and add the audio file.

Open the software and add the audio file to be converted by clicking on the Document icon on the Converter tab. You can also drag and drop the files to the program.

load videos to wondershare uniconverter

Step 2 Choose the target format and stereo sound.

    • Open the drop-down menu at the Setting icon. From the Audio list, select the format and the file quality.

choose output format in wondershare uniconverter

  • Next, click on the edit icon, and a new pop-up Setting window will open. Here expand the drop-down options on Channel and select Channel 6 to make it to a stereo sound. Click on the Create button to create this new customized format. Select the created format.

choose stereo setting in wondershare uniconverter

Step 3 Convert mono to stereo.

The Output tab can be used to select the desktop location to save the processed file. Hit on the Convert button to start with the conversion. On the interface, the processed file can be checked from the Finished tab.

start the conversion

So to convert your videos to other formats, there are several tools available, as discussed above. Online tools and apps are good for a basic conversion, while for professional conversion with added features, Wondershare UniConverter is the best program to consider.

Part 2. How to Convert Mono to Stereo by Musereo

Musereo is another popular program that is used for converting mono audio files to stereo. Compatible with Windows system, the program allows converting MP3, WAV, and WMA audio files to stereo in just a few simple clicks. There are options for editing the file quality using features like fine-tuning, level balance, harmonic richness, panning, and others. The stereo file created using the program works great on the earphones and the headphones. Multiple files can be processed in a single batch using the tools.

Steps to convert mono to stereo using Musereo:

Step 1: Download, install and run the Musereo program on your system. Click on the +Add button to add the audio files from your system. You can even choose to add an entire folder. Files can also be dragged and dropped.

add file into Musereo

Step 2: Next, choose the output folder where you want to save the processed files by clicking on the Browse button under the files list.

choose the browse button

Step 3: At the next step, click on the Options button in the toolbar, and a pop-up window will open. Here you can fine-tune the audio file as needed with options available for Stereo width, resonance, balance, and panning. Hit on the OK to confirm the settings.

choose Options button in Musereo

Step 4: Finally, at the bottom right-hand side corner of the main interface, click on the Convert button to start with the processing.

start the conversion in the Musereo

The label of the button will change to the Stop that you can use to stop the process whenever needed.

how to stop theconversion in the Musereo

Part 3. Other Free Online Mono to Stereo Converter

Online tools can also be used for converting mono to stereo audio. These programs come with simple functions, are free to use, and need no installation of any third-party software. Below listed is the top mono to stereo converter online tools.

1. CoolUtilis

This is an online audio conversion tool that allows converting your audio files to MP3, WMA, WAV, OGG as well as MP4 format. You can edit the file parameters and choose from mono or stereo and select the sample rate and bit rate as needed. The file, once converted, can be downloaded to your local system. Apart from the local, you can also add the audio file from your Google Drive or Dropbox account.


  • Edit the audio file parameters.
  • Files from the computer and cloud can be added.


  • Internet dependence.
  • Limited format support.

Free Online Mono to Stereo Converter-CoolUtilis

2. Free Online Converter

Using this web-based tool audio and video file can be converted to WAV format along with an option to change the mono audio to stereo. The program also allows you to change the sample rate and normalize the output file is needed. You can choose to automatically start the conversion or start it manually.


  • Allows changing the channels and sample rate of the file.
  • Option to automatically start the conversion process.


  • Files can be converted only to WAV format.
  • Limited editing features.

Free Online Mono to Stereo Converter-Free Online Converter

3. Online Convert

With Online Convert, you can change your mono audio file to stereo and also change the format. The tool has a simple interface where the files from the URL, computer, Google Drive and Dropbox can be added to the interface. Option to trim the video is also available, and you can also edit the resolution and sampling rate of the file. The settings can be saved for future file conversion.


  • Option to save the conversion settings.
  • Multiple file parameters can be edited.
  • Multiple sources for adding the file.


  • Dependent on the internet connection.
  • A converted file needs to be downloaded.

Free Online Mono to Stereo Converter-Online Convert

So to get high-quality stereo files without installing any additional software above listed online tools can be used depending on your requirements. Professional software like Wondershare UniConverter is apt for high-quality conversion with added editing and other features.

Kayla Morrison

Kayla Morrison

staff Editor

Resource > Convert Videos > Top 5 Mono to Stereo Converter on Windows/Mac