All Tools [ audio bench ]

Opus to G.711 - Online Audio Converter

Convert Opus to G.711 online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

[+] Drop Opus audio here or click to select Opus
G.711 (G.711 a-law)

About Opus to G.711

Convert Opus to G.711. Opus adapts from 6 kbps speech to 510 kbps music with low latency. G.711 is the 64 kbps PCM law behind landline telephony. A-law and mu-law differ by region; pick the matching one..

Why convert Opus to G.711?

Opus vs G.711

CodecOpusG.711 a-law
Compressionlossylossy
Sample behaviorQuality set by bitrateQuality set by bitrate
Typical useOpus adapts from 6 kbps speech to 510 kbps music with low latency.G.711 is the 64 kbps PCM law behind landline telephony.

When not to convert Opus to G.711

Limits

Starting point: Opus - Opus adapts from 6 kbps speech to 510 kbps music with low latency. CD-era hardware may not decode it; use MP3 for legacy players. A-law and mu-law differ by region; pick the matching one. Encode G.711 (G.711 a-law) from Opus 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 Opus to G.711?
Drop your Opus file onto this page, choose quality and codec settings, then click Convert. The result downloads as G.711 instantly. All processing runs in your browser.
What codec is used for G.711?
The default codec for G.711 is G.711 a-law. 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.