Audio Extractor
Pull audio tracks from video files in seconds. Use this online audio extractor to convert MP4 to MP3, export audio from MOV, or rip sound from MKV without uploads. Everything runs locally in your browser using FFmpeg.wasm.
Loading Audio Engine (WASM)...
Need batch extraction on Mac or iPhone?
Medrea lets you extract audio from multiple videos at once, convert to MP3/M4A, and keep everything offline with hardware acceleration.
Why use this tool?
Extract audio tracks from video files for podcasts, music edits, or transcription. Everything runs locally in your browser, so your files never leave your device.
Choose a universal format like MP3, or keep maximum quality with lossless WAV and FLAC.
Audio Extractor FAQ
How do I extract audio from MP4 on Mac or Windows?
Upload your MP4, choose MP3 or M4A, and click Extract. This online audio extractor runs in your browser so your video never leaves your device.
Can I convert video to MP3 without uploading?
Yes. We use FFmpeg.wasm for local processing, so you can convert video to MP3 or WAV without sending files to a server.
Does it work with MKV, MOV, or WebM?
It supports MP4, MOV, MKV, and WebM as long as your browser can read the file. Export the audio to MP3, M4A, FLAC, or WAV.
What if I need batch audio extraction on iPhone or Mac?
For multi-file workflows, try Medrea on iOS and macOS for fast, offline batch extraction and conversion.