Convert AC3 to FLAC Online — Free
Fast, free AC3 to FLAC converter. No registration required.
Drop files here or click to browse
Supports: AC3 files
Max: 100MB (free) · 2GB (Pro)
Secure Transfer
HTTPS encrypted uploads
Privacy First
Files auto-deleted after processing
No Registration
Start converting instantly
Works Everywhere
Any browser, any device
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 .flac 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 FLAC?
FLAC is an open-source lossless audio codec. It compresses audio without any quality loss, making it popular among audiophiles.
Format Details
- Full Name
- Free Lossless Audio Codec
- Extension
- .flac
Key Features
- Lossless compression
- Open source
- Audiophile quality
- Metadata support
AC3 vs FLAC
| Feature | AC3 | FLAC |
|---|---|---|
| Full Name | Dolby Digital Audio | Free Lossless Audio Codec |
| Extension | .ac3 | .flac |
| Best For | Surround sound | Lossless compression |