Convert ALAC to AC3

Tested on Windows 11, 24 October 2026

Convert ALAC audio to AC3 in your browser or in the Filoshi app for Windows. AC3 is lossy: Filoshi uses a high-quality setting, and you can choose the bitrate. Nothing is uploaded.

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

How to convert ALAC to AC3 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
    AC3 is chosen already. FFmpeg, compiled to WebAssembly, converts it inside this browser tab.
  3. 3
    Save your AC3 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 AC3?

Dolby Digital (AC-3) (.ac3). AC-3, sold as Dolby Digital, is the lossy surround-sound format of DVDs, many Blu-ray discs and digital TV, with up to 5.1 channels. Home cinema receivers decode it; music players often do not.

Common use: Film and TV surround sound

Questions about ALAC to AC3

Is converting ALAC to AC3 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 AC3 lose quality?
Yes, a little. AC3 is a lossy format, so some detail is thrown away when the file is saved. Filoshi uses a high-quality setting by default, and you can choose the bitrate in the file viewer.
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 AC3 been tested?
Yes. ALAC to AC3 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 AC3 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

Other ALAC conversions

ALAC to MP3ALAC to AACALAC to OGGALAC to FLACALAC to M4AALAC to OPUSALAC to AIFFALAC to AU

Convert to AC3

MP3 to AC3WAV to AC3AAC to AC3OGG to AC3FLAC to AC3M4A to AC3WMA to AC3OPUS to AC3

Need ALAC to AC3 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