All tools
Stereo Width Control
On your deviceNarrow to mono or widen the stereo image. Your file is processed in this browser and never uploaded.
Drop an audio file here
WAV, MP3, FLAC, OGG, M4A/AAC, Opus · up to 250 MB
Settings
140%
Widening only affects stereo files. Very wide settings can sound thin on mono speakers.
Export