Convert AIFF to MP4 Online — Free
Fast, free AIFF to MP4 converter. No registration required.
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How to Convert
Upload your .aiff file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .mp4 file when it's ready.
What is AIFF?
AIFF is an uncompressed audio format developed by Apple. Like WAV, it provides perfect audio quality but results in large file sizes.
Format Details
- Full Name
- Audio Interchange File Format
- Extension
- .aiff
Key Features
- Lossless quality
- Apple standard
- Professional audio
- No compression
What is MP4?
MP4 is the most widely used video container format. It stores video, audio, subtitles, and metadata. Compatible with virtually every device and platform, from smartphones to smart TVs.
Format Details
- Full Name
- MPEG-4 Part 14
- Extension
- .mp4
Key Features
- Universal compatibility
- Streaming support
- Small file sizes
- Hardware-accelerated playback
AIFF vs MP4
| Feature | AIFF | MP4 |
|---|---|---|
| Full Name | Audio Interchange File Format | MPEG-4 Part 14 |
| Extension | .aiff | .mp4 |
| Best For | Lossless quality | Universal compatibility |