Multiple Formats
Supports MP4/WEBM/MKV/AVI and more
No Installation
Powered by FFmpeg.wasm, runs in browser
Full Quality Control
Customize CRF, resolution, codec parameters
Core Features
Fast, private, and high-quality audio extraction
High Quality Output
Support 128/192/320kbps bitrate options
Multiple Formats
Accept MP4, MOV, AVI, WebM, MKV input
Local Processing
Privacy-first - no uploads to servers
No Installation
Works instantly in your browser
Why Choose Our MP4 to MP3 Converter
Professional audio extraction powered by FFmpeg.wasm, making video to audio conversion easy and simple.
Conversion at Scale
Reliable browser-side audio extraction
Monthly Conversions
50K+
Growing user base
Success Rate
>95%
High reliability
Avg Time
<30s
Fast processing
What Users Say
Real feedback from users worldwide
Sarah Chen
Podcast Producer
I use this tool daily to extract audio from video interviews. The 320kbps quality is perfect for my podcast. No software to install, just works!
Mike Johnson
Music Teacher
Great for extracting audio from music videos for my students. The privacy aspect is important - files stay on my computer.
Lisa Wang
Content Creator
Simple and fast. I convert video clips to audio for my TikTok sounds. The quality options are exactly what I need.
FAQ
What video formats are supported?
We support MP4, MOV, AVI, WebM, and MKV video formats. Most common video files will work.
What is the maximum file size?
We recommend files under 500MB for best performance. Larger files may cause browser memory issues.
Which quality should I choose?
128kbps is good for speech/podcasts, 192kbps for general music, 320kbps for highest quality audio.
Is my file uploaded to a server?
No. All processing happens locally in your browser. Your files never leave your device.
Why is conversion slow?
Conversion speed depends on your device's CPU. Close other tabs to improve performance.
Ready to Extract Audio?
Convert your MP4 videos to MP3 audio files instantly. Free, fast, and private.