Convert Audio Interchange File Format (.aif) to iPhone Audio (.iphone-audio) online for free. Fast, secure audio conversion with no watermarks or registration.
Upload your .aif 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 .m4a file when it's ready.
AIF stores uncompressed PCM audio at CD quality or higher — the native recording format of Apple's professional audio tools. iPhones support AIFF playback, but the enormous file sizes (10 MB per minute for stereo 16-bit/44.1 kHz) make AIF impractical on devices where storage ranges from 64 GB to 1 TB shared across apps, photos, and video. Converting AIF to iPhone Audio produces an AAC file at Apple's standard 256 kbps quality in an M4A container — the exact same format used by iTunes Store purchases and Apple Music downloads.
iPhone storage is premium real estate. A 1,000-song music library in AIF format would consume 50+ GB, while the same library in AAC at 256 kbps takes under 5 GB — an 90% reduction with no perceptible quality loss through iPhone speakers, AirPods, or car Bluetooth. The iPhone's DAC and Bluetooth codec (AAC) make 256 kbps AAC the effective quality ceiling for most listening scenarios.
This conversion is critical for musicians syncing Logic Pro bounces to their iPhone for reference listening, podcasters transferring raw AIF recordings to their phone for mobile editing, and anyone managing a large music library who produces or archives in lossless AIF on Mac.
The conversion decodes AIF's big-endian linear PCM and encodes to AAC-LC at 256 kbps in an M4A container using the CoreAudio-compatible AAC profile. The M4A output includes proper iTunes-compatible metadata atoms (title, artist, album, artwork, track number) and gapless playback flags. Sample rate is maintained at 44.1 kHz for music or 48 kHz for video-derived audio. For ringtone creation, the output can be trimmed to 30 seconds and saved as M4R.
AAC 256 kbps from lossless AIF is the gold standard for iPhone audio quality — Apple designed the entire iPhone audio pipeline around AAC. Through AirPods (which transmit AAC natively), the quality is optimal. Through the iPhone's Lightning/USB-C DAC or Bluetooth car audio, 256 kbps AAC is indistinguishable from lossless for virtually all listeners. Only audiophiles with wired IEMs in quiet environments might notice subtle differences.
| Device | AIF | iPhone Audio |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
AIF to iPhone Audio delivers Apple's premium audio quality in a storage-efficient format perfectly matched to the iPhone's playback capabilities and ecosystem integration.
Bezpečný přenos
Šifrované nahrávání přes HTTPS
Ochrana soukromí
Soubory automaticky smazány po zpracování
Bez registrace
Začněte převádět okamžitě
Funguje všude
Jakýkoli prohlížeč, jakékoli zařízení
| No |
| Vlastnost | AIF | iPhone Audio |
|---|---|---|
| Celý název | Audio Interchange File Format | iPhone Compatible Audio |
| Přípona | .aif | .m4a |
| Nejlepší pro | Lossless quality | iPhone optimized |