ffmpeg-powered
Same codec engine as desktop ffmpeg — full format support, bitrate control.
100% private
Audio never leaves your browser. Perfect for music, podcasts, or voice recordings.
Video → MP3 too
Drop an MP4 or MOV to extract its audio track directly as MP3.
When to convert to MP3
MP3 is the most universally compatible audio format in existence. Every car stereo, Bluetooth speaker, smartphone, game console, podcast platform, and streaming service handles MP3 without complaint. That's not true of any other format.
The common cases: your car stereo won't play the M4A files from your iPhone, so you convert to MP3. A podcast host requires MP3, so your WAV recording gets converted. You're extracting the audio from a video you recorded — MP4 to MP3 strips the audio track in seconds. You have FLAC files that are too large to sync to your phone, so you convert to 192 kbps MP3 for the road.
When to convert away from MP3: if you're mastering audio for production, WAV or FLAC preserves every detail without compression artifacts. If you're distributing through Apple Music or streaming services, M4A or AAC at 256 kbps is more efficient at equivalent quality. But for everyday listening, sharing, and compatibility — MP3 at 192 kbps remains the right answer.