Bulk AC3 to AAC Converter Online — Free HD Quality
Drag and drop your multiple AC3 files into this 100% free online AC3 to AAC converter (.ac3 to .aac), and click the Convert button to bulk convert them to AAC format in HD quality. Use the quality slider to fine-tune your AAC output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original AC3 files are removed from our servers right after. Also see:Simple AMR to MP3 tool.
Drop your AC3 files here to convert to AAC, or click to browse
Converts .ac3 to AAC (.aac) in HD quality — bulk, free, no signup
Choose FilesAC3 vs AAC — File Format Comparison
See how AC3 and AAC compare across file extension, MIME type, compression, and feature support. Related:Bulk convert WAV to CAF.
| Feature | AC3 | AAC |
|---|---|---|
| File Extension | .ac3 | .aac |
| MIME Type | audio/ac3 | audio/aac |
| Compression Type | Lossy | Lossy |
| Metadata Support | No | Yes |
What Is AC3 Format?
Dolby Digital AC-3 — Dolby's multi-channel surround sound codec used in DVD, Blu-ray, and broadcast television; commonly encountered when extracting audio tracks from home theatre content. See also:Online RMI to CAF converter tool.
- Compression: Lossy
- Tags & Metadata: Not supported
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.
- Compression: Lossy
- Tags & Metadata: Supported