AAC to WAV Offline Converter
Convert AAC audio files to WAV format completely offline in your browser
No Upload
100% Private
Free
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Drop your AAC files here
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Output Files
Why Use This Tool
Lossless WAV
Decode AAC to uncompressed PCM for further editing.
Editing-Ready
WAV is the universal input for audio editing software.
100% Private
All processing happens locally.
Frequently Asked Questions
Will WAV be larger than AAC?
Yes. WAV is uncompressed, so it will be 5-10x larger than the source AAC. That is the tradeoff for lossless editing quality.
Are my files uploaded anywhere?
No. Processing is entirely client-side via FFmpeg.wasm — files never leave your browser.
How big can my files be?
Limited by your device's RAM. ~2GB on desktop, smaller on mobile. Browser memory is the constraint.