Bulk M4P to AIF Converter Online — Free HD Quality
Drag and drop your multiple M4P files into this free online M4P to AIF converter (.m4p to .aif), and click the Convert button to bulk convert them to AIF format in HD quality. Use the quality slider to fine-tune your AIF output, then download your converted files one by one or as a single ZIP — your original M4P files are removed from our servers right after.
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PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
M4P vs AIF — File Format Comparison
| Feature | M4P | AIF |
|---|---|---|
| File Extension | .m4p | .aif |
| MIME Type | audio/mp4 | audio/aiff |
| Compression Type | Lossy | Lossless |
| Metadata Support | Yes | Yes |
What Is M4P Format?
Protected MPEG-4 Audio — Apple's FairPlay DRM-protected AAC format used in early iTunes Store purchases; non-DRM M4P files (iTunes DRM removal, 2009) can be converted, but actively DRM-locked files will fail.
- Compression: Lossy
- Tags & Metadata: Supported
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.
- Compression: Lossless
- Tags & Metadata: Supported
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