AAC to PCM - Online Audio Converter

Convert AAC to PCM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert AAC to PCM

[+] Drop AAC audio here or click to select AAC

Output format

PCM (PCM 16-bit)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

About AAC to PCM

Convert AAC to PCM. AAC is the MPEG-4 successor to MP3 used by YouTube and Apple Music. PCM is raw pulse-code samples with no container or headers. Sample rate and width must be set by hand since headers carry none..

Why convert AAC to PCM?

Larger files than lossy shares with PCM uncompressed quality.
Keep quality where supported.
Private, no upload - runs in your browser.

AAC vs PCM

Codec	AAC	PCM 16-bit
Compression	lossy	uncompressed
Sample behavior	Quality set by bitrate	Full quality kept
Typical use	AAC is the MPEG-4 successor to MP3 used by YouTube and Apple Music.	PCM is raw pulse-code samples with no container or headers.

When not to convert AAC to PCM

Skip PCM for the smallest share: lossless output stays large, so prefer a lossy target when sending AAC files.
Keep a master copy: repeated exports stack small losses, so archive AAC before batch PCM shares.

Limits

Starting point: AAC - Efficient lossy audio for streaming services. Container variants (ADTS, MP4) need matching extensions on export. Sample rate and width must be set by hand since headers carry none. Encode PCM (PCM 16-bit) from AAC at 256k for music or 128k for speech, starting from the master.

How conversion works

Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.

Related conversions

FAQ

How do I convert AAC to PCM?

Drop your AAC file onto this page, choose quality and codec settings, then click Convert. The result downloads as PCM instantly. All processing runs in your browser.

What codec is used for PCM?

The default codec for PCM is PCM 16-bit. You can change audio parameters in Advanced mode.

How do you store my files?

We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.