Convert stereo to mono online

Upload a stereo audio file, convert it into mono, and download a single-channel version from your browser.

How it works

Turn stereo audio into mono in three steps

Stereo to Mono helps combine left and right channels into one balanced mono audio file.

01
Upload

Select your stereo file

Choose the stereo audio file you want to convert. The tool prepares it for channel conversion.

02
Convert

Create a mono version

The left and right channels are combined into a single mono track for simpler playback and editing.

03
Download

Save the mono audio

Download the final mono file and use it for editing, publishing, archiving, or sharing.

Channel conversion

Combine stereo channels into one mono track

Stereo to Mono is useful when you need a simpler audio file with one channel instead of separate left and right channels. It can help with voice recordings, podcasts, compatibility, file preparation, and clean audio editing workflows.

Merge left and right channels

Convert stereo audio into a single mono channel for easier handling.

Prepare audio for publishing

Create mono files for speech, podcasts, tutorials, voiceovers, and recordings.

Simple online processing

Upload your file, convert the channels, and download the mono audio quickly.

Common uses

What you can use Stereo to Mono for

Converting stereo to mono can help with speech audio, editing projects, compatibility, and smaller audio workflows.

Convert stereo voice recordings
Prepare podcast audio
Combine left and right channels
Create mono voiceovers
Improve compatibility with simple players
Simplify audio before editing
FAQ

Stereo to Mono FAQ

Quick answers about converting stereo audio into mono online.

What is Stereo to Mono?

Stereo to Mono is an online tool that converts a stereo audio file into a mono audio file with one combined channel.

What does stereo audio mean?

Stereo audio uses two channels, usually left and right. Mono audio uses one channel.

What happens when stereo is converted to mono?

The left and right audio channels are combined into one channel, creating a single mono track.

Is mono better for voice recordings?

Mono is often useful for voice recordings, podcasts, narration, and speech content because it keeps the audio simple and centered.

Does the tool change the audio length?

No. The conversion changes the channel format, not the duration or playback speed.

Which audio formats are supported?

The tool supports common audio formats such as MP3, WAV, M4A, OGG, FLAC, and WEBM.

Do I need to install software?

No. Stereo to Mono works directly in your browser without installing extra software.