Convert AIFF to MP4
Fast, free AIFF to MP4 conversion — works in any browser
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aiff
AIFF — Audio Interchange File Format
| File extension | .aiff .aif |
|---|---|
| File category | audio |
| Programs | Apple iTunes Apple QuickTime Player VLC media player Audacity Logic Pro |
| Tech description | https://en.wikipedia.org/wiki/Audio_Interchange_File_Format |
| MIME type | audio/aiff audio/x-aiff |
| Developer | Apple Inc. |
AIFF (Audio Interchange File Format) is an uncompressed audio container developed by Apple Inc. in 1988, based on EA IFF 85. AIFF stores raw PCM audio without compression, preserving full audio fidelity — one minute of stereo CD-quality audio (44.1 kHz, 16-bit) occupies approximately 10 MB. The format supports sample depths from 8 to 32 bits and sampling rates up to 192 kHz, making it a standard choice for professional audio production on macOS. AIFF is natively compatible with Apple iTunes, Logic Pro, GarageBand, and most professional DAWs. An extended variant, AIFF-C (AIFC), supports optional compressed audio codecs.
mp4
The format within the MPEG-4 Part 14 standard
| File extension | .mp4 .m4v |
|---|---|
| File category | video |
| Programs | VLC media player Windows Media Player Apple QuickTime Player MPV Kodi |
| Tech description | https://en.wikipedia.org/wiki/MPEG-4_Part_14 |
| MIME type | video/mp4 |
| Developer | MPEG group (ISO/IEC) |
Created in 1988, it was intended for video files. A file of this format contains video and audio information, images and subtitles. When compressed, the files do not lose quality. The format includes various types of multimedia content: videos, animations, audio, 2D and 3D graphics. Files of this format can be used and viewed on the Internet. In this case, a metadata transfer takes place. The full name of the format is MPEG-4 Part 14.
FAQ
How to convert MP4 to AIFF?
Upload your MP4 file, select AIFF as the output format, and click Convert. The converted file will be ready to download in seconds — no account or installation required.
How long does it take to convert MP4 to AIFF?
Most MP4 files convert in seconds. Larger files may take up to a few minutes depending on size and internet speed. You can track the progress bar in real time during conversion.
Is it safe to convert MP4 files online?
Yes. All uploaded MP4 files and converted AIFF results are automatically deleted from our servers within 1 hour after conversion. We do not store, share, or access your files.
Can I convert MP4 on iPhone or Android?
Yes, our converter works on all devices and operating systems — iPhone, iPad, Android, Windows, and macOS. Open the site in your mobile browser, upload the MP4 file and convert to AIFF without installing any app.
