Bulk AIF to M4A Converter Online — Free HD Quality
Drag and drop your multiple AIF files into this 100% free online AIF to M4A converter (.aif to .m4a), and click the Convert button to bulk convert them to M4A format in HD quality. Use the quality slider to fine-tune your M4A output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original AIF files are removed from our servers right after. Also see:Convert AIFF to MP3.
Drop your AIF files here to convert to M4A, or click to browse
Converts .aif to M4A (.m4a) in HD quality — bulk, free, no signup
Choose FilesAIF vs M4A — File Format Comparison
See how AIF and M4A compare across file extension, MIME type, compression, and feature support. Related:Best MID to OGG converter online.
| Feature | AIF | M4A |
|---|---|---|
| File Extension | .aif | .m4a |
| MIME Type | audio/aiff | audio/mp4 |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | Yes |
What Is AIF Format?
Audio Interchange File Format (short extension) — the .aif variant of AIFF used by older Apple software and some DAWs; functionally identical to .aiff with the same uncompressed PCM quality. See also:Best MIDI to CAF converter online.
- Compression: Lossless
- Tags & Metadata: Supported
What Is M4A Format?
MPEG-4 Audio — AAC audio in an MP4 container, the standard format for Apple Music, iTunes purchases, and iPhone voice memos, offering better quality than MP3 at equivalent bitrates.
- Compression: Lossy
- Tags & Metadata: Supported