Audio Channel Converter
Stereo to Mono Converter Software
Stereo to Mono Converter converts stereo audio to mono in bulk. Add files or folders, select Mono under Channels and export in MP3, WAV, FLAC and more.
- Stereo, Joint Stereo and Mono channels
- 40+ input and 10+ output formats
- Bitrate, sample rate and volume control
- Offline conversion on Windows
- Free DemoTest before you buy
- 30 Day RefundDemo test comes first
- Card or PayPalHosted store checkout
- Fast License KeySent by email
- 24x7 SupportChat and email
1Is this my case?
Which Cases Need Stereo to Mono Conversion?
Find your case below. RecoveryTools software converts the channels and the format together.
- Voice Recordings Sound DoubledSpeech sits in two channels and one is enough.
- Podcast Files Need MonoYour platform or editor asks for a mono track.
- Mono Speakers Play One SideA mono device drops part of a stereo mix.
- Phone and Call RecordingsVoice files do not need two channels.
- Folders Full of AudioConverting one file at a time wastes your day.
- Old Formats Will Not OpenLegacy audio needs a modern format.
Bulk Conversion
Add a folder and convert every audio file in one session.
Channel Control
Select Stereo, Joint Stereo or Mono for the output.
Format Choice
Export to MP3, WAV, FLAC, AAC and more.
Add the .NET Framework before you start.
Test the free demo on one file before you convert a full folder.
2What changes?
What Changes After the Conversion?
Before
- Stereo files with two channels
- One conversion at a time
- Formats your device cannot play
After
- Mono files with one channel
- Full folders convert in one session
- Files in MP3, WAV or FLAC
3What can it do?
Which Features Come With the Converter?
Add the files, set the channels and export from one window.
Channel Selection
Set the output to Stereo, Joint Stereo or Mono.
40+ Input Formats
Add standard, lossless, studio and legacy audio files.
10+ Output Formats
Export to MP3, AAC, WMA, OGG, AC3, FLAC, WAV, AIFF, AU or MKA.
Bitrate Control
Select a bitrate from 96 to 320 kbps.
Sample Rate Control
Set the sample rate to fit your device or editor.
Volume Control
Set the volume from 0.5 to 1.5.
Add Folders
Load many files with Add Files or Add Folder.
Export Report
Check total, success and failed counts and open the report.
Offline Conversion
Convert audio on your computer without an upload.
4Is it easy?
How to Convert Stereo to Mono in 4 Steps
Test the conversion on one audio file in the free demo. Buy the license when you want full length files.
- 1Download
Install the Demo
Download the 190 MB installer and install it. Add the .NET Framework first.
- 2Add
Add Your Audio Files
Click Add Files or Add Folder, select your audio and click Next.
- 3Choose
Select Format and Channels
Select the export type. Under Advance Settings set Channels to Mono and click Change to select the destination.
- 4Export
Click Export
Start the conversion and click OK. Click View Report to check the converted files.
Screenshots of every step sit in the stereo to mono converter guide.
5What will I see?
Which Screens Does the Software Show?
Follow the path from the channel settings to the export report.

Set the Channels
Select the export type and choose Mono under Channels.

Check the Export Status
Compare the total, success and failed file counts and click View Report.
6Demo or full?
Free Demo vs Full Version
See where the free demo stops and what a license adds.
| Feature | Free Demo | Full Version |
|---|---|---|
| Add files and folders | Yes | Yes |
| Channel, bitrate and volume settings | Yes | Yes |
| Export status and report | Yes | Yes |
| Audio converted per file | 20 seconds | Full length |
| Price | Free | From $29 |
7Will it fit my system?
System Requirements for Stereo to Mono Conversion
| Product Version | 3.0 for Windows |
|---|---|
| Download Size | 190 MB |
| Product Type | Desktop software that converts audio files and channels |
| Input Formats | More than 40 audio formats |
| Output Formats | MP3, AAC, WMA, OGG, AC3, F4A, FLAC, WAV, AIFF, AU and MKA |
| Channels | Stereo, Joint Stereo and Mono |
| Bitrate | 96 to 320 kbps |
| Volume | 0.5 to 1.5 |
| Windows | Windows 11 and Windows 10 |
| Processor | Intel Core 2 Duo E4600 at 2.40 GHz or better |
| RAM and Disk Space | 2 GB RAM and 100 MB of free disk space |
| Pre Requisite | Microsoft .NET Framework 4.5 or later |
| Demo Limit | 20 seconds of the selected audio file |
8What is the price?
What Does Stereo to Mono Software Cost?
Choose the license by the number of computers. Prices are in US dollars.
1 Computer
$29
- Home and private use
- 1 year of free updates
- Unlimited 24x7 support
Up to 100 Computers
$99
- One location in one country
- 1 year of free updates
- Unlimited 24x7 support
Up to 500 Computers
$199
- Offices in many places
- 1 year of free updates
- Unlimited 24x7 support
See more savings on the RecoveryTools offers page.
9Is it safe?
Can You Trust the Software With Your Audio Files?
See Results First
Test the free demo on one audio file and play the result before you pay.
In Business Since 2007
RecoveryTools stands on a company that began in 2007 and now helps users in over 100 countries. Find more about RecoveryTools.
ISO Certified
Standards ISO 9001:2015 for quality and ISO/IEC 27001:2013 for information security back the company. See the awards and certifications page.
Terms in Plain Sight
Refund, privacy and usage terms are public before you pay. See the refund policy, privacy policy and terms of use.
10Need a hand?
Where to Get Help With Your Audio Conversion
Support engineers answer questions before and after you buy. Visit the RecoveryTools support center for phone numbers and more ways to get help.
Live Chat
Talk to an expert on live chat at any hour.
Email Support
Email support@systoolsgroup.com with your audio format and the error message.
Remote Session
An expert connects to your computer and solves a hard case for you.
Step by Step Guide
Follow the user guide for the add, settings and export screens.
11Still have a question?
Questions About Converting Stereo to Mono
Can I convert stereo audio to mono in bulk?
Yes. Click Add Files or Add Folder, select Mono under Channels and click Export. Many files convert in one session.
Which audio formats can I add?
More than 40 formats work. MP3, WAV, AAC, M4A, OGG, WMA, FLAC, ALAC and AIFF files open along with studio and legacy formats.
Which formats can I export?
Over 10 export formats work. Choose MP3, AAC, WMA, OGG, AC3, FLAC, WAV, AIFF, AU or MKA.
Which audio settings can I change?
Set the bitrate from 96 to 320 kbps and the sample rate. Select Stereo, Joint Stereo or Mono under Channels and set the volume from 0.5 to 1.5.
Does the software work without internet?
Yes. Conversion happens offline on your computer. Only activation of the license key needs internet access.
Is there a limit on file size or length?
No. Desktop conversion sets no file size or length limit. Speed depends on file size, format and your computer.
How do I check the result after conversion?
Export Status screen shows total, success and failed file counts. Click View Report to see the converted files and save the report.
What does the free demo include?
Free demo mode converts 20 seconds of the selected audio file. License keys remove this limit.
Which Windows versions work?
Windows 11 and Windows 10 work. Install Microsoft .NET Framework 4.5 or later first. Microsoft Store edition helps when a policy blocks the installer.
Is there a Mac edition?
No. Software is available for Windows only.
What are the system requirements?
You need an Intel Core 2 Duo E4600 processor or better and 2 GB RAM. Keep 100 MB of free disk space for the installation.
Can I save audio files from Outlook emails and convert them here?
Yes. Save the attachments with RecoveryTools Outlook Attachment Extractor and then add the audio files to the converter.
How much does the software cost?
Personal costs $29 for 1 computer. Business costs $99 for up to 100 computers. Enterprise costs $199 for up to 500 computers.
Can I get a refund?
Yes. Refund requests are accepted for 30 days under the RecoveryTools refund policy. Software bought without a demo evaluation does not qualify. Email a signed Letter of Destruction to sales@recovery-tools.org. Bundle purchases cannot be refunded.
Convert Stereo to Mono With the Free Demo
Download the free demo, convert one file and buy the license when you want full length audio.