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AMR to FLAC - Online Audio Converter

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

[+] Drop AMR audio here or click to select AMR
FLAC (FLAC)

About AMR to FLAC

Convert AMR to FLAC. AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. FLAC halves WAV sizes bit-for-bit with open hardware support. Apple players prefer ALAC; convert for iPhone libraries..

Why convert AMR to FLAC?

AMR vs FLAC

CodecAMR-NBFLAC
Compressionlossylossless
Sample behaviorQuality set by bitrateFull quality kept
Typical useAMR encodes narrowband speech for GSM calls at 12.2 kbps and below.FLAC halves WAV sizes bit-for-bit with open hardware support.

When not to convert AMR to FLAC

Limits

Starting point: AMR - AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. Tuned for voice calls, so music loses detail by design. Apple players prefer ALAC; convert for iPhone libraries. Encode FLAC (FLAC) from AMR 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 AMR to FLAC?
Drop your AMR 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.