Convert MP4 to MP3
Select Files
Audio, Video and Image supported. Drag or click
Convert MP4 files to MP3 online for free. Powered by WebAssembly technology, all processing happens on your device — nothing is uploaded.
How It Works
Upload Your Files
Select one or more MP4 files from your device or drag them into the upload area.
Configure Settings
Adjust quality settings and confirm MP3 as your output format.
Download Results
Get your converted MP3 files instantly — processed right in your browser.
About These Formats
Extract audio from MP4 videos as MP3 files. Perfect for saving music, podcasts, or audio from video recordings.
Frequently Asked Questions
How do I convert MP4 to MP3?expand_more
Upload your files, confirm the conversion settings, and download your converted files. All processing happens in your browser — no server upload required.
Is this MP4 to MP3 converter free?expand_more
Yes, completely free with no hidden fees. No sign-up required, no usage limits. All conversion happens in your browser.
Is it safe to convert MP4 to MP3 online?expand_more
Your files never leave your device. All conversion happens locally in your browser using WebAssembly technology. We have zero access to your files.
Will I lose quality converting MP4 to MP3?expand_more
Quality depends on the target format and your settings. Lossless formats like PNG preserve original quality. For lossy formats like JPG, you can adjust the quality slider.
Can I convert multiple MP4 files at once?expand_more
Yes, you can convert multiple files at once. Simply drag all your files into the upload area or click to select them.