MP4 to MP3 Converter - Extract Audio
Extract the audio from any video and save it as MP3 — free, in your browser, no uploads.
Tool Interface
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About This Tool
Introduction
Trencada's free MP4 to MP3 Converter pulls the audio track out of any video and saves it as a high-quality MP3. Perfect for saving music, podcasts, lectures or voiceovers from video files. Choose your MP3 quality (128, 192 or 320 kbps), and the conversion runs entirely in your browser — no uploads, no waiting rooms, no accounts.
How to Use
- Drag & drop your video (or audio) file, or click Choose File. MP4, MOV, WebM, MKV and more are supported.
- Pick your MP3 quality: 128 kbps (smaller file), 192 kbps (recommended) or 320 kbps (best quality).
- Press Extract MP3 and watch the live progress bar.
- Download your MP3 when the Download button appears.
Key Features
- High-quality MP3 output (128, 192, or 320 kbps)
- Works with MP4, MOV, WebM, MKV and more
- 100% private: files are processed locally in your browser, nothing is uploaded
- Free forever, no signup, no watermark
Why Choose Trencada
Every Trencada tool is free with no hidden costs and no accounts. MP4 to MP3 Converter runs entirely on your device using open-source FFmpeg.wasm technology.
Frequently Asked Questions (FAQ)
What quality should I choose? 192 kbps is the best balance of quality and file size for most uses. Choose 320 kbps for music archiving, 128 kbps for voice recordings.
Which formats are supported? MP4, MOV, WebM, MKV and most common video containers.
Is there a file size limit? Yes — 200 MB on desktop and 100 MB on mobile.
Is my file uploaded anywhere? No. Everything happens in your browser.