AVI to WAV Converter

Convert AVI to WAV Online

Pull the audio out of an AVI video and save it as an uncompressed WAV file. AVI is a Microsoft video container; WAV is the uncompressed audio format that DAWs, samplers, and older hardware expect. This conversion decodes whatever audio stream lives inside the AVI — usually PCM, MP3, or AC-3 — and rewrites it as standard linear PCM WAV, so you can edit, master, or archive a soundtrack, dialogue take, or recording without keeping the whole video around. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after conversion — no sign-up, no watermark, never shared or made public.

AVI Format at a Glance

WAV Format at a Glance

How to Convert AVI to WAV

1. Upload Your AVI File: Drag and drop your .avi into the box or click "Add Files" to pick it from your device. You can queue several clips and convert them with the same settings.
2. Set the Audio Sample Rate: Leave it on Original to copy the source rate exactly, or pick a value from 8000 Hz up to 48000 Hz — choose 44100 HZ for CD-quality music or 48000 HZ to match video and broadcast audio.
3. Pick the Audio Channel: Keep Original, force Stereo for a two-channel mix, or collapse to Mono to halve the file size when the source is voice or a single-channel recording. Use Trim first if you only need one section.
4. Convert and Download: Click Convert and save your WAV. No sign-up, no watermark.

Frequently Asked Questions

Will converting AVI to WAV improve the audio quality?

No — WAV is a lossless target, but it cannot recover detail that was already discarded. The audio inside most AVI files is stored as MP3 or AC-3, which are lossy codecs; decoding that stream to WAV produces a faithful uncompressed copy of the already-compressed sound, not a restored studio master. You only get truly lossless audio when the AVI's internal stream was PCM to begin with. WAV is worth it here for editing and compatibility, not for a quality boost.

What audio is actually inside an AVI file?

AVI is a container, so the audio can be almost anything the person who made the file chose. In practice it is most often MP3 or AC-3 (Dolby Digital), sometimes raw PCM, and occasionally WMA. The converter decodes whichever codec it finds and writes standard PCM WAV, so you do not need to know the source codec in advance — but that source codec is what determines whether the result is genuinely lossless or just a lossless wrapper around lossy audio.

Why is my WAV file so much larger than the AVI?

Uncompressed PCM has a fixed bit budget. A stereo, 44.1 kHz, 16-bit WAV runs about 10 MB per minute regardless of how quiet or simple the audio is, while the AVI may have stored that same audio in a compressed codec at a fraction of the size — and the AVI's bulk was mostly video you have now dropped. The size jump for the audio itself is expected; it is the cost of storing every sample without compression.

What sample rate and channel layout should I choose?

Leave both Audio Sample Rate and Audio Channel on Original if you just want a clean extraction — that copies the source exactly and avoids needless resampling. Set 44100 HZ for CD-quality music, or 48000 HZ to stay in sync with video and DAW workflows. Use Stereo for a two-channel mix; switch to Mono for voice, interviews, or any single-channel source to cut the file size roughly in half. Raising the rate above the source never adds detail that was not recorded.

What PCM bit depth does the WAV use?

By default the converter writes PCM 16-bit Little Endian, which is CD quality and the most universally compatible profile — it plays on essentially every device and in every audio editor. Advanced Options let you step up to 24-bit or 32-bit PCM if you are importing into a DAW and want processing headroom, or down to A-law / mu-law for telephony. For a lossy AVI source there is no benefit to going above 16-bit; the extra depth only enlarges the file without adding real detail.

Can I extract just a section instead of the whole soundtrack?

Yes. Open Trim, switch it off Unchanged, then enter a Start time and Duration in seconds (or as HH:MM:SS.sss). The converter writes only that slice to WAV, which is handy for grabbing a single line of dialogue or one passage of music. For repeated cut-and-keep edits against a waveform, the audio cutter is the better tool.

Is there a size limit on the WAV file I can create?

The WAV format itself caps a single file at just under 4 GB, because the RIFF header stores the total size in a 32-bit field — that is several hours of CD-quality stereo, so it rarely bites for a clip pulled from an AVI. The more realistic limit for you is upload size and time: a long uncompressed file is large to send, so trimming before you convert, or choosing Mono, keeps the transfer manageable.

In your testing, how big is a typical AVI-to-WAV result?

In our testing, a 60-second AVI extracted to a 44.1 kHz, 16-bit stereo WAV produced a file of about 10.5 MB, because uncompressed PCM at those settings is a fixed ~176 kB per second. Switching the channel to Mono dropped it to roughly 5.3 MB. If you do not actually need uncompressed audio, AVI to MP3 yields a far smaller file; if the WAV itself is too large to share, WAV to MP3 shrinks it after the fact.