PCM to FLAC - Online Audio Converter

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

Convert PCM to FLAC

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

Output format

FLAC (FLAC)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

About PCM to FLAC

Convert PCM to FLAC. PCM is raw pulse-code samples with no container or headers. FLAC halves WAV sizes bit-for-bit with open hardware support. Apple players prefer ALAC; convert for iPhone libraries..

Why convert PCM to FLAC?

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

PCM vs FLAC

Codec	PCM 16-bit	FLAC
Compression	uncompressed	lossless
Sample behavior	Full quality kept	Full quality kept
Typical use	PCM is raw pulse-code samples with no container or headers.	FLAC halves WAV sizes bit-for-bit with open hardware support.

When not to convert PCM to FLAC

Skip FLAC for the smallest share: lossless output stays large, so prefer a lossy target when sending PCM files.
Keep a master copy: repeated exports stack small losses, so archive PCM before batch FLAC 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. Apple players prefer ALAC; convert for iPhone libraries. Encode FLAC (FLAC) 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 FLAC?

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

What codec is used for FLAC?

The default codec for FLAC is FLAC. 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.