Convert AC3 to Opus Online — Free
Fast, free AC3 to Opus converter. No registration required.
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Supports: AC3 files
Max: 100MB (free) · 2GB (Pro)
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How to Convert
Upload your .ac3 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 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
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
AC3 vs Opus
| Feature | AC3 | Opus |
|---|---|---|
| Full Name | Dolby Digital Audio | Opus Audio Codec |
| Extension | .ac3 | .opus |
| Best For | Surround sound | Low latency |