Convert AVI to AC3
Pull the soundtrack out of any AVI video and save it as AC3 in seconds. Conversion happens inside your browser, so even large or private videos are never uploaded.
Drop AVI 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 AVI to AC3
- Click "Choose files" or drag your AVI videos onto the page.
- Make sure "AC3" is selected as the output format (384 kbps is a good default).
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your AC3 files.
Why convert AVI to AC3?
AC3 files are much smaller than video and play on any music player, phone or car stereo.
AC3 is best for DVD authoring, home theatre and video production. DVD/Blu-ray players, AV receivers, smart TVs, VLC.
Will I lose quality?
The audio is decoded from the AVI video and encoded to AC3. Choose a lossless format (WAV/FLAC) for zero loss, or a high bitrate for AC3.
AVI vs AC3
| AVI | AC3 | |
|---|---|---|
| Full name | Audio Video Interleave | Dolby Digital (AC-3) |
| Type | video | lossy |
| Best for | older camera and Windows videos | DVD authoring, home theatre and video production |
| Typical size | varies | ~2.9 MB at 384 kbps per minute |
| Compatibility | Windows, VLC. | DVD/Blu-ray players, AV receivers, smart TVs, VLC. |
| Developed by | - | Dolby Laboratories (1991) |
AVI to AC3: questions
How do I convert AVI to AC3?
Open this page, add your AVI file, make sure AC3 is selected as the output format and click Convert. Your AC3 file is ready to download in seconds.
Will converting AVI to AC3 lose quality?
The audio is decoded from the AVI video and encoded to AC3. Choose a lossless format (WAV/FLAC) for zero loss, or a high bitrate for AC3.
Is this AVI to AC3 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 AVI files to AC3 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 AVI and AC3?
AVI (Audio Video Interleave) is a video format, a classic Windows video container. AC3 (Dolby Digital (AC-3)) is a compressed (lossy) format: dolby Digital surround-sound audio used on DVDs, Blu-rays and TV broadcasts.
Does it work on Mac, Windows, iPhone and Android?
Yes. The AVI to AC3 converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.