Free Bulk AAC Audio Converter Online — 24+ Formats
Drag and drop your files into this 100% free online AAC converter (audio/aac, .aac, Lossy), pick a target format from 24+ options and click the Convert button to change formats in HD quality. Use the quality slider to control file size and detail, then download each result separately or grab the whole batch as a single ZIP — no signup, no downloads, and no watermark needed; your AAC files are deleted from our servers right after. Also see:Free WAV conversion tool.
Drop your AAC files here or click to browse
Convert AAC to MP3, WAV, FLAC, OGG, M4A, AIFF and 18+ more formats in HD quality
Choose FilesThis AAC converter supports 24+ output formats with bulk and batch processing — pick your target format directly from the dropdown above. Related:Process many OPUS files.
What Is AAC Format and Why Convert It Online?
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:Free FLAC conversion tool.
| Property | AAC Details |
|---|---|
| File Extension | .aac |
| MIME Type | audio/aac |
| Compression Type | Lossy |
| Metadata Support | Yes |
| Available Output Formats | 24+ formats |
- Bulk and batch conversion that lets you upload and convert multiple AAC files at once to any of 24+ supported formats
- 100% free with no signup so you can start converting AAC files instantly without creating an account
- Private and secure because all uploaded files are auto-deleted from our servers immediately after conversion