PCM to Opus - Online Audio Converter

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

Convert PCM to Opus

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

Output format

Opus (Opus)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

About PCM to Opus

Convert PCM to Opus. PCM is raw pulse-code samples with no container or headers. 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..

Why convert PCM to Opus?

Smaller files with Opus lossy compression.
Keep quality where supported.
Private, no upload - runs in your browser.

PCM vs Opus

Codec	PCM 16-bit	Opus
Compression	uncompressed	lossy
Sample behavior	Full quality kept	Quality set by bitrate
Typical use	PCM is raw pulse-code samples with no container or headers.	Opus adapts from 6 kbps speech to 510 kbps music with low latency.

When not to convert PCM to Opus

Skip Opus for archival masters: lossy compression discards detail, so keep the PCM original.
Keep a master copy: repeated exports stack small losses, so archive PCM before batch Opus shares.

Limits

Starting point: PCM - PCM is raw pulse-code samples with no container or headers. Sample rate and width must be set by hand since headers carry none. CD-era hardware may not decode it; use MP3 for legacy players. Encode Opus (Opus) from PCM 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.

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FAQ

How do I convert PCM to Opus?

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

What codec is used for Opus?

The default codec for Opus is Opus. 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.