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MP4 to MP3 Converter

Need just the audio from a video? Converting MP4 to MP3 extracts the audio track and saves it as a compact, universally compatible MP3 file. This is one of the most popular conversions — perfect for saving music from videos, creating podcast clips from recordings, or extracting voice tracks from presentations.

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MP4 video typically contains AAC audio at 128-256kbps. Extracting to MP3 at 192kbps or higher preserves essentially all the audio quality from the original video.

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How to Convert MP4 to MP3

  1. 1

    Upload your MP4 video file.

  2. 2

    Select MP3 as the audio output format.

  3. 3

    Click Convert and download the extracted MP3 audio.

MP4 vs MP3 — Format Comparison

FeatureMP4MP3
Full NameMPEG-4 Part 14MPEG Audio Layer III
TypeVideoAudio
CodecH.264 / H.265 / AV1MPEG-1 Audio Layer III
LosslessNoNo
Extension.mp4.mp3
Best ForOnline video streamingMusic distribution and downloads

MP4 Strengths

  • Universal device and browser support
  • Excellent compression-to-quality ratio
  • Supports subtitles, chapters, and metadata

MP3 Strengths

  • Universal compatibility across all devices and platforms
  • Small file sizes (typically 3-5 MB per song)
  • Supported by every media player and browser

Frequently Asked Questions

When to Convert MP4 to MP3

  • Extracting music from music videos
  • Creating MP3 audio from video podcasts or lectures
  • Saving audio from presentations and webinars
  • Getting voice tracks from video recordings

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