Convert AAC to WAV Free Online
Convert AAC to WAV for free and get uncompressed 16-bit audio that's ready to edit. Add one .aac file or a whole batch, up to 500 MB each. Your audio stays on your device.
Drop your audio files here
AAC
Max file size: 500 MB · Multiple files supported
How to Convert AAC to WAV Online
Add your AAC files.
Drop them on the box above or tap Choose audio files. Add one file or a batch, each up to 500 MB and ending in .aac.
Check the output format.
WAV is already picked for every file, and there's no bitrate to set because WAV is uncompressed. Press Convert All to start.
Download your WAV files.
Save each one with its own download button, or press Download All to get one ZIP when two or more are done. Your AAC files stay unchanged.
AAC vs WAV: What Changes
Understanding the differences between AAC and WAV helps you choose the right format for your needs.
| Specification | AAC | WAV |
|---|---|---|
| Compression | Lossy | Uncompressed |
| Quality | Very Good | Excellent |
| Transparency | No | No |
| Animation | No | No |
| File Size | Small | Very Large |
Why convert from AAC?
- Lossy — audio data is discarded
- Patent licensing restrictions
- Less universal than MP3 on older hardware
Why choose WAV?
- Lossless audio quality
- No compression artifacts
- Professional standard
When to use AAC
When you want better quality than MP3 at the same file size, especially in the Apple ecosystem.
When to use WAV
When you need the highest audio quality and file size is not a concern.
What This Free AAC to WAV Converter Does
Turn .aac files into 16-bit WAV at their original sample rate. Convert one file or a batch, with no sign-up and no watermark.
Convert AAC to Uncompressed WAV
Each .aac file is decoded and saved as a standard 16-bit WAV. Nothing is resampled, so the rate and channels follow your AAC: a 44.1 kHz stereo track stayed 44.1 kHz stereo in our test.
- Accepts .aac files up to 500 MB
- Always saves 16-bit WAV audio
- Keeps the original sample rate
Batch Convert AAC Files to WAV
Add several .aac files at once and press Convert All. They convert one after another, each tile shows its size before and after, and Download All saves two or more as one ZIP.
- No set limit on files per batch
- Size shown before and after
- Two or more files save as one ZIP
Free With No Account
Convert AAC files to WAV as often as you need, with no sign-up and no daily limit. Each WAV downloads clean, with no watermark or extra sound added.
AAC to WAV Conversion FAQs
Answers on file size, bit depth, M4A files and batch downloads when you convert AAC to WAV.
How do I convert AAC to WAV for free?
Drop your .aac files on the box above or tap Choose audio files. WAV is already selected, so press Convert All, then download each WAV or get them all in one ZIP. There's no fee, no account and no watermark.
Does converting AAC to WAV improve sound quality?
No. AAC is a lossy format, so detail removed when the file was made can't come back. The WAV sounds the same as the AAC. What you gain is an uncompressed file you can edit and save again without another round of lossy compression.
Why is my WAV so much bigger than the AAC file?
WAV stores every sample without compression, while AAC squeezes the sound down. In our test, a one-minute 128 kbps stereo AAC of 956.70 KB became a 10.10 MB WAV. Plan on about 10 MB per minute for 44.1 kHz stereo audio.
Can I choose 24-bit or a different sample rate for the AAC to WAV output?
No. Every WAV is saved as 16-bit audio. The tool doesn't resample, so the rate and channels follow your AAC, and a 48 kHz mono file stayed 48 kHz mono in our test. There are no bit depth or sample rate controls on this page.
Can I convert M4A files to WAV on this page?
No. This page only accepts files ending in .aac, and an .m4a file is turned away with an Unsupported file type message. iPhone voice memos and many Apple audio files use .m4a, so they won't open here even though they hold AAC audio.
Can I batch convert AAC to WAV?
Yes. Select or drop several .aac files at once. They convert one after another, and if one fails the rest still finish. When two or more are done, Download All saves them as one ZIP, and repeated names get a number.
Can I convert AAC to MP3 or another format instead?
Yes. Each file has a format menu with MP3, WAV, AAC and OGG, and WAV is picked for you here. For smaller files that play on almost any device, the AAC to MP3 converter starts with MP3 already selected.
How do I convert AAC to WAV on a Mac or Windows PC?
Open this page in your browser, add your .aac files and press Convert All. You don't need to install an app or type commands in a terminal. Each WAV saves through your browser's normal download, ready to open in your audio apps.
Why is my AAC file not converting to WAV?
Check that the file ends in .aac and is 500 MB or smaller; other files get an Unsupported file type or size message. The 32 MB audio engine must finish downloading first. A failed file shows a reason and a retry button, and very long recordings may run out of browser memory.
Is this AAC to WAV converter safe for private recordings?
Yes. Your audio is decoded inside this browser tab and never sent to a server. Two things do cross the network: the audio engine downloads from unpkg when the page opens, and page visits and editor time are counted. Your file names and sound are never shared.
Why Convert AAC to WAV?
For Music and Audio Editing
- Bring .aac stems or samples into an editor that wants WAV
- Edit and re-export without a second round of AAC compression
- Make a WAV copy of a track for a remix or sample pack
For Podcasts and Interviews
- Turn an .aac interview into WAV before cleanup and editing
- Send WAV audio to a client or editor who asks for it
- Convert a batch of recorded episodes and save them as one ZIP
For Video and Sound Design
- Drop WAV dialogue or music into a video editing timeline
- Prepare .aac sound effects for a sample editor or game project
- Give a sound designer WAV files at the source sample rate
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