Bulk MP3 to AIF Converter Online — Free HD Quality
Drag and drop your multiple MP3 files into this 100% free online MP3 to AIF converter (.mp3 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 — no signup and no downloads needed, and your original MP3 files are removed from our servers right after. Also see:WAV to AAC - free, no signup.
Drop your MP3 files here to convert to AIF, or click to browse
Converts .mp3 to AIF (.aif) in HD quality — bulk, free, no signup
Choose FilesMP3 vs AIF — File Format Comparison
See how MP3 and AIF compare across file extension, MIME type, compression, and feature support. Related:Make MP3 files into AIFC.
| Feature | MP3 | AIF |
|---|---|---|
| File Extension | .mp3 | .aif |
| MIME Type | audio/mpeg | audio/aiff |
| Compression Type | Lossy | Lossless |
| Metadata Support | Yes | Yes |
What Is MP3 Format?
MPEG-1 Audio Layer III — the world's most popular compressed audio format, balancing sound quality with small file sizes for music streaming, downloads, and portable devices.
- 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