Bulk MP3 to AIFF Converter Online — Free HD Quality
Drag and drop your multiple MP3 files into this 100% free online MP3 to AIFF converter (.mp3 to .aiff), and click the Convert button to bulk convert them to AIFF format in HD quality. Use the quality slider to fine-tune your AIFF 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:Mass OGG to MP3 conversion.
Drop your MP3 files here to convert to AIFF, or click to browse
Converts .mp3 to AIFF (.aiff) in HD quality — bulk, free, no signup
Choose FilesMP3 vs AIFF — File Format Comparison
See how MP3 and AIFF compare across file extension, MIME type, compression, and feature support. Related:MP3 to M4B converter.
| Feature | MP3 | AIFF |
|---|---|---|
| File Extension | .mp3 | .aiff |
| 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. See also:3GA to WAV conversion.
- Compression: Lossy
- Tags & Metadata: Supported
What Is AIFF Format?
Audio Interchange File Format — Apple's uncompressed audio standard functionally equivalent to WAV but preferred in professional Apple audio workflows and GarageBand projects.
- Compression: Lossless
- Tags & Metadata: Supported