Conversion
Convert AAC FLAC
Free online AAC audio to FLAC audio converter. Near-lossless quality, processed server-side, no signup required.
Convert AAC to FLAC now ffmpeg Free tier Near-lossless ~0.3s per MB
How to convert AAC to FLAC
- 1
Open the converter
Click the button above — the workspace opens with AAC pre-selected as your source and FLAC as your target.
- 2
Drop your AAC audio
Drag and drop, or click to browse. Your file is uploaded over HTTPS and processed on our private servers — never shared with third parties.
- 3
Download the FLAC audio
The result downloads automatically when conversion finishes. Powered by ffmpeg — the same engine used by professional studios.