GSM to AIFF - Online Audio Converter

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

Convert GSM to AIFF

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

Output format

AIFF (PCM 16-bit)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

About GSM to AIFF

Convert GSM to AIFF. GSM 06.10 encodes European mobile speech at 13 kbps. AIFF is Apple's IFF-based counterpart to WAV with PCM audio. Metadata support is thinner than WAV's; check tags after conversion..

Why convert GSM to AIFF?

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

GSM vs AIFF

Codec	GSM	PCM 16-bit
Compression	lossy	uncompressed
Sample behavior	Quality set by bitrate	Full quality kept
Typical use	GSM 06.10 encodes European mobile speech at 13 kbps.	AIFF is Apple's IFF-based counterpart to WAV with PCM audio.

When not to convert GSM to AIFF

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

Limits

Starting point: GSM - GSM 06.10 encodes European mobile speech at 13 kbps. Carrier framing can offset timing; verify duration. Metadata support is thinner than WAV's; check tags after conversion. Encode AIFF (PCM 16-bit) from GSM 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 GSM to AIFF?

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

What codec is used for AIFF?

The default codec for AIFF 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.