filoshi.com / convert / aac-to-flac

Convert AAC to FLAC

Free, instant, private. Your files never leave your browser — converted locally using FFmpeg.wasm. Need to convert multiple files? Get the desktop app →

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How to convert AAC to FLAC

  1. 1
    Drop your AAC file
    Drag it onto the converter above, or click Browse Files to select it from your computer.
  2. 2
    Click Convert
    FLAC is auto-selected. Hit Convert — FFmpeg.wasm processes everything locally in your browser.
  3. 3
    Download your file
    Your converted FLAC file downloads instantly. Nothing was uploaded to a server.
Need batch AAC to FLAC conversion?
The web converter handles 1 file at a time. Filoshi desktop converts unlimited files, runs offline, and supports 3,985 formats.
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