Audio or video WebM
Extract speech and sound from common WebM files.
Turn browser recordings and WebM media into an MP3 that is easier to play, share, and transcribe.
🔒 Your media file is never uploaded to Voysum.
Extract speech and sound from common WebM files.
Your media remains local throughout conversion.
Download a standard MP3 for other apps and devices.
How local browser processing works and what to expect.
Yes. When a video WebM is selected, this tool extracts only its audio.
WebM is a container and codec support can vary. Try a shorter or differently encoded source if processing fails.
Extract audio from video locally in your browser. Your file is never uploaded.
Open tool →Free browser toolTrim audio locally in your browser and download only the section you need.
Open tool →Free browser toolConvert MP3 to uncompressed WAV locally in your browser.
Open tool →Voysum can transcribe the converted recording and create subtitle files.
Transcribe audio