AAC to WAV Converter

Need an uncompressed file for editing? This free converter turns .aac and .m4a audio into standard WAV — right in your browser, with no software and no signup. Files up to 30MB are converted directly and nothing is stored after your download.

How to convert AAC to WAV

1. Upload your AAC or M4A file

Drag a file onto the box above, or click to browse. Both .aac and .m4a are accepted.

2. WAV is selected

WAV output is uncompressed, so there's no bitrate to choose — the quality setting doesn't apply.

3. Convert & download

Click Convert & Download. Your WAV file downloads automatically, ready to drop into any editor.

Why convert AAC to WAV?

WAV is uncompressed PCM audio — every sample stored in full. That makes it the format of choice for audio editing, sampling, and mastering, where you don't want a lossy codec in the chain. The trade-off is size: WAV files are much larger than AAC.

Does WAV restore lost quality?

No. AAC is lossy, so the data it discarded is gone; wrapping it in WAV gives you an uncompressed file, not the original master. WAV is the right target for editing, but it can't undo AAC's compression. For lossy-vs-lossless background, see AAC vs FLAC.

Frequently Asked Questions

How do I convert AAC to WAV?

Upload your .aac or .m4a file, keep WAV selected, then click Convert & Download. The WAV file is created and downloaded automatically — no software or signup needed.

Why is the WAV file so much larger?

WAV is uncompressed, so it stores every audio sample in full. A WAV is typically several times larger than the AAC it came from.

Does converting AAC to WAV improve quality?

No. AAC is lossy, so converting to WAV can't restore detail it already discarded. WAV is useful for editing, not for recovering quality.

Is the AAC to WAV converter free?

Yes — it's completely free, with no account, no watermarks, and no limit on how many files you convert.