MP4 to AAC Converter
Most MP4 videos already contain AAC audio internally, so extracting to AAC is often a direct stream copy with zero quality loss. This gives you the exact audio track from your video as a standalone AAC file — perfect for Apple devices and music applications.
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Since MP4 typically contains AAC audio, this extraction is often lossless — the AAC audio stream is directly copied from the video container without any re-encoding.
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How to Convert MP4 to AAC
- 1
Upload your MP4 video.
- 2
Choose AAC as the output.
- 3
Click Convert and download the AAC audio.
MP4 vs AAC — Format Comparison
| Feature | MP4 | AAC |
|---|---|---|
| Full Name | MPEG-4 Part 14 | Advanced Audio Coding |
| Type | Video | Audio |
| Codec | H.264 / H.265 / AV1 | AAC-LC / HE-AAC / AAC-ELD |
| Lossless | No | No |
| Extension | .mp4 | .aac |
| Best For | Online video streaming | Apple Music and iTunes |
MP4 Strengths
- Universal device and browser support
- Excellent compression-to-quality ratio
- Supports subtitles, chapters, and metadata
AAC Strengths
- Better quality than MP3 at same bitrate
- Native support on Apple devices and iTunes
- Default audio codec in MP4 video containers
Frequently Asked Questions
When to Convert MP4 to AAC
- Extracting original AAC audio tracks from MP4 videos
- Getting Apple-compatible audio from video content
- Creating standalone audio files from video podcasts
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