Convert AAC to AC3 Online — Free
Fast, free AAC to AC3 converter. No registration required.
Drop files here or click to browse
Supports: AAC files
Max: 100MB (free) · 2GB (Pro)
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How to Convert
Upload your .aac file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .ac3 file when it's ready.
What is AAC?
AAC is an audio coding standard designed to be the successor of MP3. It provides better sound quality at similar bit rates.
Format Details
- Full Name
- Advanced Audio Coding
- Extension
- .aac
Key Features
- Superior to MP3
- Streaming optimized
- Wide support
- Efficient compression
What is AC3?
AC3 is Dolby Digital's audio format commonly used in DVDs, Blu-rays, and streaming services. It supports surround sound up to 5.1 channels.
Format Details
- Full Name
- Dolby Digital Audio
- Extension
- .ac3
Key Features
- Surround sound
- DVD/Blu-ray
- 5.1 channels
- Dolby standard
AAC vs AC3
| Feature | AAC | AC3 |
|---|---|---|
| Full Name | Advanced Audio Coding | Dolby Digital Audio |
| Extension | .aac | .ac3 |
| Best For | Superior to MP3 | Surround sound |