AAC to WAV Converter

Convert AAC audio files to uncompressed WAV format. Ideal when you need to edit, mix, or process AAC audio in a professional DAW or audio editor that prefers WAV input.

AACWAV

Drop your AAC file here or click to browse

AAC (.aac) · Max 20 MB

Free — 10-second preview, 5 conversions/month. Upgrade for unlimited

What is AAC?

Advanced Audio Coding. Successor to MP3 with improved compression. Widely used in streaming services.

What is WAV?

Uncompressed audio format. Perfect quality with no data loss. Standard for music production and professional audio work.

Why Convert AAC to WAV?

Raw AAC files — .aac streams rather than AAC neatly wrapped in an M4A — come from a particular set of places: HLS streaming segments, broadcast and radio workflows, Android recording apps, and hardware recorders. They play fine, but the moment you try to work with one, the cracks show: plenty of DAWs and editors refuse raw AAC streams outright or import them with wrong durations, because a bare ADTS stream lacks the index and timing data a container provides. Converting to WAV fixes the whole category of problems at once. The AAC is decoded a single time into uncompressed 16-bit PCM — no further quality loss is possible after that point — and the resulting WAV opens in every editor, DAW, video timeline, and transcription tool ever made, with sample-accurate seeking and instant scrubbing. This is the right first step whenever the plan is to do anything to the audio: cut it, clean it, transcribe it, analyze it, master it, or lay it into a video. If you just want to listen or share, convert to MP3 instead and keep the file small; WAV is the working format, about 10 MB per stereo minute. The decode happens in your browser — recordings never leave your device.

Who Uses This Converter

Edit broadcast & stream audio

Raw AAC from HLS or radio workflows decodes once into WAV your DAW opens without complaint.

Android & recorder files

Recordings that arrive as bare .aac become editable, scrubbing-friendly WAV.

Transcription input

Speech-to-text tools behave most reliably on uncompressed WAV.

A loss-free working copy

After the single decode, every edit and export works on raw PCM with no further degradation.

Frequently Asked Questions

Will converting AAC to WAV restore lost quality?

No. AAC is lossy, and the discarded data can't be recovered. The WAV file will have the same audio quality as the AAC source, just in an uncompressed container compatible with more tools.

How much larger will the WAV file be?

Roughly 7-10x larger. A 5MB AAC file becomes about 40-50MB as WAV. Uncompressed audio takes significantly more storage.

What's the difference between AAC and M4A?

AAC is the compression codec. M4A is a common container file that holds AAC audio. Both convert to WAV the same way — this tool handles either.

Why will my editor not open a raw .aac file?

Bare AAC streams (ADTS) lack the container index that tells software the duration and where each moment of audio lives, so many editors reject them or import them incorrectly. Decoding to WAV gives every tool exactly what it expects.

Does converting AAC to WAV improve the sound?

No — AAC is lossy and the discarded detail is gone. The WAV contains the same audio, just uncompressed and universally editable. What you gain is compatibility and a loss-free editing chain from here on.

What are the WAV specs?

16-bit PCM at the source's sample rate, typically 44.1 or 48 kHz — the standard flavor for DAWs, video editors, and CD workflows.

Is this AAC to WAV converter free?

Yes. Free users get 5 conversions per month. The output is limited to the first 10 seconds as a preview, with a 20MB input file size limit. Upgrade to Pro for unlimited, full-length conversions.