Bulk AIF to FLAC Converter Online — Free HD Quality
Drag and drop your multiple AIF files into this free online AIF to FLAC converter (.aif to .flac), and click the Convert button to bulk convert them to FLAC format in HD quality. Use the quality slider to fine-tune your FLAC output, then download your converted files one by one or as a single ZIP — your original AIF 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
AIF vs FLAC — File Format Comparison
| Feature | AIF | FLAC |
|---|---|---|
| File Extension | .aif | .flac |
| MIME Type | audio/aiff | audio/flac |
| Compression Type | Lossless | Lossless |
| 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.
- Compression: Lossless
- Tags & Metadata: Supported
What Is FLAC Format?
Free Lossless Audio Codec — open-source lossless compression that reduces file size by 40–60% versus WAV with zero quality loss, perfect for audiophile archiving.
- Compression: Lossless
- Tags & Metadata: Supported
Related Converters
- Batch AIFF to PAM converter
- Simple APE to M4A tool
- Convert CRW files to JPEG 2000 in queue
- Handle many CRW to JXL at once
- Convert DDS files to JXL in queue
- EMF to PGM conversion
- Simple FLAC to MP3 tool
- Change M4B files to PDF
- Convert multiple OGG to FLAC
- ORF to PPM conversion
- PCD to RAS converter
- Best PICT to GIF converter online
- Batch process RAW to RAS
- Easy SRW to PNG converter
- Process multiple WMZ to PBM files
- AIF format converter hub
- FLAC format converter hub
- Audio converter hub
- All conversion tools