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GSM to G.726 - Online Audio Converter

Convert GSM to G.726 online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

[+] Drop GSM audio here or click to select GSM
G.726 (G.726)

About GSM to G.726

Convert GSM to G.726. GSM 06.10 encodes European mobile speech at 13 kbps. G.726 adapts voice bitrates between 16 and 40 kbps. Bitrate modes vary by device; confirm the mode before converting..

Why convert GSM to G.726?

GSM vs G.726

CodecGSMG.726
Compressionlossylossy
Sample behaviorQuality set by bitrateQuality set by bitrate
Typical useGSM 06.10 encodes European mobile speech at 13 kbps.G.726 adapts voice bitrates between 16 and 40 kbps.

When not to convert GSM to G.726

Limits

Starting point: GSM - GSM 06.10 encodes European mobile speech at 13 kbps. Carrier framing can offset timing; verify duration. Bitrate modes vary by device; confirm the mode before converting. Encode G.726 (G.726) 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

How do I convert GSM to G.726?
Drop your GSM file onto this page, choose quality and codec settings, then click Convert. The result downloads as G.726 instantly. All processing runs in your browser.
What codec is used for G.726?
The default codec for G.726 is G.726. 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.