Convert ALAC to FLAC

Tested on Windows 11, 24 October 2026

Convert ALAC audio to FLAC in your browser or in the Filoshi app for Windows. FLAC stores the decoded audio without further loss. Nothing is uploaded.

Get Filoshi · $29Many files at once, no size limit, on Windows.

How to convert ALAC to FLAC in your browser

  1. 1
    Drop your ALAC file
    Drag it onto Filoshi above, or press Choose your ALAC file to pick it on your computer.
  2. 2
    Filoshi converts it
    FLAC is chosen already. FFmpeg, compiled to WebAssembly, converts it inside this browser tab.
  3. 3
    Save your FLAC file
    Download it when it is ready. Nothing was sent to a server.
Source format

What is ALAC?

Apple Lossless Audio Codec (.alac). ALAC is Apple's lossless codec: like FLAC it decodes to exactly the original audio, at roughly half the size of WAV. Apple released it as open source in 2011; iTunes, Apple Music and iPhones play it natively.

Common use: Lossless music on Apple devices

Output format

What is FLAC?

Free Lossless Audio Codec (.flac). FLAC compresses audio without losing anything: decoded, it is bit-for-bit identical to the original. Files are typically about half to two thirds the size of WAV. Most music players and phones play it; some Apple apps do not.

Common use: Music archives, lossless downloads, CD rips

Questions about ALAC to FLAC

Is converting ALAC to FLAC free?
Yes, one file at a time: the converter on this page runs in your browser, files up to 100 MB, no sign-up. The Filoshi desktop app ($29 once, for Windows) converts many files at once and has no size limit.
Does converting ALAC to FLAC lose quality?
No. Both ALAC and FLAC store audio without loss, so the converted file holds exactly the same sound.
Is my ALAC file uploaded anywhere?
No. The converter on this page runs in your browser with FFmpeg compiled to WebAssembly; your ALAC file is read and converted on your device and never sent to a server. The desktop app works the same way, offline.
Has ALAC to FLAC been tested?
Yes. ALAC to FLAC is one of the 1,841 conversions that passed Filoshi's automated test matrix on Windows 11.
Can I convert many ALAC files at once?
Yes, in the desktop app. Drop as many ALAC files as you like on the window, pick FLAC once for all of them, and each file shows its own progress. The new files appear next to the originals, which are never changed.

Related conversions

Need ALAC to FLAC for many files?

The browser converter handles one file at a time. The Filoshi app for Windows converts as many as you drop, runs offline, and has 1,841 tested conversions.

Get Filoshi · $29