AC3 to ALAC Converter
Convert AC3 files to ALAC in seconds, right in your browser. Drop in one file or a whole folder, pick your quality settings and download - nothing is uploaded to a server.
Drop AC3 files here
MP3, WAV, FLAC, M4A, OGG, OPUS, AAC, AIFF, WMA, AMR, MP4, MOV & more · Processed on your device - nothing is uploaded
How to convert AC3 to ALAC
- Click "Choose files" or drag your AC3 files onto the page.
- Make sure "ALAC" is selected as the output format.
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your ALAC files.
Why convert AC3 to ALAC?
ALAC is lossless, so further editing and re-saving won't reduce quality any more. (It can't restore detail that AC3 compression already removed.)
ALAC is best for lossless music on iPhone, iPad, Mac and Apple Music. All Apple devices, iTunes, VLC, foobar2000 and most modern players.
Will I lose quality?
Converting AC3 to ALAC keeps all the quality that is in your AC3 file - nothing more is lost. However, it cannot recover detail removed when the AC3 was originally created, and the ALAC file will be larger.
AC3 vs ALAC
| AC3 | ALAC | |
|---|---|---|
| Full name | Dolby Digital (AC-3) | Apple Lossless Audio Codec |
| Type | lossy | lossless |
| Best for | DVD authoring, home theatre and video production | lossless music on iPhone, iPad, Mac and Apple Music |
| Typical size | ~2.9 MB at 384 kbps per minute | ~5-6 MB at 16-bit / 44.1 kHz per minute |
| Compatibility | DVD/Blu-ray players, AV receivers, smart TVs, VLC. | All Apple devices, iTunes, VLC, foobar2000 and most modern players. |
| Developed by | Dolby Laboratories (1991) | Apple (2004) |
AC3 to ALAC: questions
How do I convert AC3 to ALAC?
Open this page, add your AC3 file, make sure ALAC is selected as the output format and click Convert. Your ALAC file is ready to download in seconds.
Will converting AC3 to ALAC lose quality?
Converting AC3 to ALAC keeps all the quality that is in your AC3 file - nothing more is lost. However, it cannot recover detail removed when the AC3 was originally created, and the ALAC file will be larger.
Is this AC3 to ALAC converter free and safe?
Yes. It's free with no watermark or sign-up. Files are processed locally in your browser, so your audio is never uploaded or stored on our servers.
Can I convert many AC3 files to ALAC at once?
Yes - add up to 5 files at a time on the free plan (unlimited with Pro), convert them all with one click and download them as a ZIP.
What is the difference between AC3 and ALAC?
AC3 (Dolby Digital (AC-3)) is a compressed (lossy) format, dolby Digital surround-sound audio used on DVDs, Blu-rays and TV broadcasts. ALAC (Apple Lossless Audio Codec) is a lossless format: apple's lossless format. Same perfect quality as FLAC but plays natively in Apple Music and on every iPhone.
Does it work on Mac, Windows, iPhone and Android?
Yes. The AC3 to ALAC converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.