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Extract Audio from Any Video

FFmpeg.guru's audio extractor lets you pull high-quality audio tracks from video files entirely in your browser. Using FFmpeg WebAssembly, your files are processed locally — nothing is uploaded to any server. Extract audio from MP4, AVI, MOV, MKV, and WebM videos in seconds.

100% Private

Your files never leave your device. All audio extraction happens locally in your browser using WebAssembly.

Multiple Formats

Export to MP3, AAC, FLAC, WAV, OGG, and M4A with configurable quality and bitrate settings.

Advanced Processing

Apply denoising, volume normalization, bass boost, treble adjustment, and silence removal during extraction.

Supported Audio Formats

Input Video Formats

MP4

AVI

MOV

MKV

WebM

FLV

WMV

3GP

MPEG

Output Audio Formats

MP3

AAC

WAV

FLAC

OGG

M4A

How does browser-based audio extraction work?

FFmpeg.guru uses FFmpeg compiled to WebAssembly (WASM) to run directly in your browser. When you extract audio, the video file is decoded and the audio track is re-encoded into your chosen format — all using your device's CPU. This means your files stay private, no internet connection is needed after the page loads, and there are no file size limits imposed by a server.

Common use cases

Extract background music from video recordings
Convert video podcasts or interviews to MP3 for listening on the go
Pull audio from screen recordings for transcription
Extract and convert lossless audio tracks from MKV or MOV files
Create ringtones or audio clips from video content