Stereo to Mono
Convert stereo audio to a single mono channel.
Upload Audio File
Click to upload or drag & drop
MP3, WAV, OGG, FLAC, AAC, M4A
Combine left and right stereo channels into a single mono channel. Stereo-to-mono conversion reduces file size, ensures consistent playback on all devices (including single-speaker phones), and is required for certain broadcasting and telephony applications.
Key Features
- ✓Merge left and right channels into one
- ✓Reduces file size by removing channel redundancy
- ✓Consistent playback on mono speakers
- ✓Works with all audio formats
How to Convert Stereo to Mono Audio
- 1
Upload stereo audio
Select a stereo audio file.
- 2
Convert to mono
The tool combines both channels into a single mono channel.
- 3
Download mono file
Click "Process" and download the mono version.
Common Use Cases
- •Reducing file sizes for voice-only recordings that don't need stereo
- •Preparing audio for telephony systems that require mono
- •Creating mono mixes to check for phase cancellation issues
- •Converting stereo podcasts to mono for smaller file distribution
Frequently Asked Questions
Does stereo-to-mono lose information?▼
The left and right channels are mixed (averaged) into one. If the stereo mix had elements panned hard left or right, they will be combined. Well-balanced stereo audio sounds nearly identical in mono.