WebM to MP3 Converter
Extract the audio from a WebM video and save it as MP3 — in your browser.
WebM is an open video format common on the web, typically carrying Opus or Vorbis audio. Converting to MP3 makes the sound playable on devices and apps that don't support WebM.
This tool extracts the audio and re-encodes it to MP3 locally. Nothing is uploaded to a server.
How to convert WebM to MP3
- 1Drop your WebM file into the area above — or click to browse.
- 2The output format is already set to MP3. Adjust the quality settings if the format supports them.
- 3Click convert, then download your MP3 file. Everything runs locally — nothing is uploaded.
Frequently asked questions
WebM's Opus/Vorbis audio isn't supported everywhere. MP3 plays on virtually every device, car stereo and music player.
Yes. MP3 is the default, but you can also export WAV, M4A, AAC, FLAC, OGG or Opus.
No. All processing happens entirely in your browser. Your data never leaves your device — nothing is uploaded to any server.
Yes. Once the page has loaded, the tool works completely offline. For the best experience, install PrivaDeck as a PWA from your browser.
Other conversions
Need a different format?
Open the full audio converter to pick from MP3, WAV, OGG, AAC, FLAC, M4A and Opus, convert in batches, and adjust bitrate, sample rate and channels.
Open the full Audio Converter