Convert MP4 to MP3
Convert MP4 to MP3 in batches online and extract the audio track. Use audio profiles and codec-aware controls for free, with no sign-up or watermark.
Drag & Drop or Browse files
Convert MP4 to MP3 in batches online and extract the audio track. Use audio profiles and codec-aware controls for free, with no sign-up or watermark.
MP4 is commonly used for widely compatible playback, sharing, and web delivery. MP3 is a practical output for compact, broadly compatible listening and sharing.
The converter extracts the audio stream from the MP4 source and encodes it as MP3.
Process an occasional batch without a watermark or account. Create a free account to save one setup as a recipe, or upgrade for more recipes and automatic delivery to Google Drive or Dropbox.
MP4 to MP3 is useful for interviews, lectures, voice notes, podcast drafts, and any video where only the sound is needed. The output removes the video track and creates a compact audio file that is widely supported by players and publishing tools.
Visual information, captions embedded as video, and on-screen context are not part of the MP3. Keep the MP4 whenever the images or timing cues may still be needed.
Most MP4 audio is already compressed. A higher MP3 quality can reduce additional loss, but it cannot restore frequencies or detail removed from the original soundtrack.
Voice can often use mono and a lower sample rate for a smaller file. Music and spatial ambience usually benefit from stereo and a higher-quality profile.
Use Speech/Podcast for voice-first material and Recommended or High quality for music. Listen to a busy passage and a quiet passage before processing a long batch with the same settings.
Your current plan is Free.
Basic unlocks 4 files per batch, 300 MB per file, and 10 minutes of processing time. Compare plans