Bulk AAC to AIF Converter Online — Free HD Quality
Drag and drop your multiple AAC files into this 100% free online AAC to AIF converter (.aac 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 AAC files are removed from our servers right after. Also see:Change FLAC to AAC.
Drop your AAC files here to convert to AIF, or click to browse
Converts .aac to AIF (.aif) in HD quality — bulk, free, no signup
Choose FilesAAC vs AIF — File Format Comparison
See how AAC and AIF compare across file extension, MIME type, compression, and feature support. Related:Export OGG as Android Audio.
| Feature | AAC | AIF |
|---|---|---|
| File Extension | .aac | .aif |
| MIME Type | audio/aac | audio/aiff |
| Compression Type | Lossy | Lossless |
| Metadata Support | Yes | Yes |
What Is AAC Format?
Advanced Audio Coding — the successor to MP3 adopted by Apple, YouTube, and mobile platforms; delivers better quality than MP3 at the same bitrate, especially below 128 kbps. See also:OGG to APE conversion tool online.
- 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