Bulk AIFF to M4A Converter Online — Free HD Quality
Drag and drop your multiple AIFF files into this free online AIFF to M4A converter (.aiff 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 — your original AIFF files are removed from our servers right after.
Drop images here or click to browse
PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
AIFF vs M4A — File Format Comparison
| Feature | AIFF | M4A |
|---|---|---|
| File Extension | .aiff | .m4a |
| MIME Type | audio/aiff | audio/mp4 |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | Yes |
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
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
Related Converters
- Batch process AIF to XBM
- AIFC to PBM converter
- Bulk convert ARW to RAS
- Convert BMP to XBM free
- GIF to XPM converter
- Export IIQ as CUR
- Convert JPEG 2000 to WBMP free
- Convert multiple JXL to PBM at once
- M4B to JPEG 2000 - free, no signup
- Get DDS from MNG
- Convert multiple MP2 to CAF at once
- Quick MP3 to IPHONE online converter
- Easy MP3 to PBM converter
- Switch PGM to PCX format
- RMI to AIF conversion
- Convert AIFF to other formats
- M4A format converter hub
- Browse all Audio converters
- All file conversion tools