WebM to MP3 Converter

Extract high-quality MP3 audio from WebM video/audio files

Drag & drop your WebM files here or click to browse

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How to use this converter:

  1. Select WebM files (video or audio) using the button or drag & drop
  2. Adjust MP3 bitrate, sample rate, and channel mode in the settings panel (right)
  3. Click "Convert to MP3" to extract audio and encode to MP3
  4. Preview the resulting MP3 files with built-in players
  5. Download individual tracks or all as ZIP

Conversion runs locally in your browser using Web Audio API and LameJS – files never leave your device.