Audio Extractor

Extract high-quality MP3 from one or many MP4 files locally in your browser.

Click to upload or drag & drop

One or more MP4 files

0 files

Bundle full-length MP3s into a ZIP

Split audio into segments

Split every (minutes):

Bundle segments into a ZIP

When a ZIP option is off, files download one by one. Your browser may ask to allow multiple downloads.

Initializing FFmpeg...

The Power of FFmpeg.wasm

FFmpeg is the "Swiss Army Knife" of media. Beyond audio extraction, you can build:

Format Transcoding

Convert video and audio between almost any formats (MOV to MP4, FLAC to MP3) entirely client-side.

Intelligent Compression

Optimize videos for the web by adjusting bitrate and CRF values to reduce file size without losing quality.

GIF Creation

Generate high-quality animated GIFs from video segments with custom scaling and optimized color palettes.

Smart Trimming

Implement seek-accurate video trimming to allow users to cut highlights without re-uploading files.

Video Concatenation

Merge multiple video clips or images into a single video file for simple browser-based editing.

Thumbnail Generation

Extract frames at specific timestamps to create preview thumbnails or filmstrips for video players.