Convert MP4 to MP3 online, free
Extraire l'audio d'une vidéo — processed on our secure servers in France. Files deleted after conversion, no sign-up.
Drop your MP4 file here
or click to choose a file — conversion to MP3
MP4 vs MP3 — technical comparison
Frequently asked questions
How to convert MP4 to MP3?+
Drop your MP4 file in the zone above, or click to select it. The MP3 conversion starts automatically on our secure servers — no software to install.
Is converting MP4 to MP3 secure?+
Yes. ConvertLab processes your files on secure servers located in France, over an encrypted connection. They are never shared with any third party and are deleted immediately after the conversion.
Is there quality loss when converting MP4 to MP3?+
MP3 uses lossy compression. Final quality depends on the compression rate you choose.
What is the maximum file size?+
Since the conversion runs on our servers, the limit no longer depends on your device. Files up to 100 MB are accepted. With NoLimit, up to 1 GB per file (250 MB for video).