Free Online Converter
Convert AAC to FLAC
Free online Advanced Audio Coding to Free Lossless Audio Codec converter. Fast, secure processing directly in your browser.
How to Convert AAC to FLAC
- Click or drag your AAC file into the upload area above
- Wait for the file to be loaded (happens instantly in your browser)
- Click the "Convert File" button
- Your processed FLAC file will automatically download
Why Convert AAC to FLAC?
Key Features
100% FreeNo subscription, no hidden fees, no limits
Privacy FirstFiles never leave your device
Fast ProcessingInstant browser-based conversion
No InstallationWorks directly in your browser
High QualityMaintains quality during conversion
SecureClient-side processing only
About AAC and FLAC Formats
AAC (Advanced Audio Coding)
AAC (Advanced Audio Coding) is a lossy format that provides better sound quality than MP3 at similar bit rates. Used by YouTube, Apple, and many streaming services.
FLAC (Free Lossless Audio Codec)
FLAC is a lossless audio format that compresses without any quality loss. Ideal for archiving music and audiophile listening.