Convert AAC to Opus Online — Free
Fast, free AAC to Opus 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 .opus 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 Opus?
Opus is a modern audio codec designed for interactive speech and audio transmission. It provides excellent quality at low bitrates and is widely used in VoIP and streaming.
Format Details
- Full Name
- Opus Audio Codec
- Extension
- .opus
Key Features
- Low latency
- Excellent compression
- Voice optimized
- Open source
AAC vs Opus
| Feature | AAC | Opus |
|---|---|---|
| Full Name | Advanced Audio Coding | Opus Audio Codec |
| Extension | .aac | .opus |
| Best For | Superior to MP3 | Low latency |